46:"/_next/static/chunks/2g8w-80ml0qgh.js" 47:"/_next/static/chunks/0iv56yrji_20j.js" 48:"/_next/static/chunks/26v-2o8eqscfn.js" 49:"/_next/static/chunks/0lc44eilyyvky.js" 4a:"/_next/static/chunks/1jl6tco-uuy-j.js" 4b:"/_next/static/chunks/1ot1rbfa0d_n4.js" 4c:"/_next/static/chunks/3n7h0f3nk8y8p.js" 4d:"/_next/static/chunks/3k2gyg36fnag_.js" 4e:"/_next/static/chunks/3m0r7x0jt5wm7.js" 4f:"/_next/static/chunks/2fohwszm1xz1m.js" 50:"/_next/static/chunks/3bgoyiso1rhn7.js" 51:"/_next/static/chunks/19bc9syhv3w28.js" 52:"/_next/static/chunks/0wa9m1-tphf9u.js" 53:"/_next/static/chunks/0m2d8jznc9t02.js" 54:"/_next/static/chunks/1xu72k8i0p_ma.js" 55:"/_next/static/chunks/2a1rt036gjwtj.js" 56:"/_next/static/chunks/1s05-oinjbm85.js" 57:"/_next/static/chunks/20k3408cq3fwt.js" 58:"/_next/static/chunks/1_lo_qve3gu86.js" 59:"/_next/static/chunks/3di53f0fz7pw_.js" 5a:"/_next/static/chunks/3m1xjj5kw5fie.js" 5b:"/_next/static/chunks/0so1i35v7xcta.js" 5c:"/_next/static/chunks/082jo-0ajazgr.js" 5d:"/_next/static/chunks/0-a64pg0hn7g7.js" 5e:"/_next/static/chunks/09nq57stwzkgf.js" 5f:"/_next/static/chunks/20329i6m_04t6.js" 60:"/_next/static/chunks/0i3-eynrkvqi7.js" 61:"/_next/static/chunks/0oag6lffx7d01.js" 62:"/_next/static/chunks/1nyz-fz1mk3y6.js" 63:"/_next/static/chunks/1dl4k5870muic.js" 64:"/_next/static/chunks/2ozcrjb_hh74t.js" 65:"/_next/static/chunks/18ggtgz2yf759.js" 66:"/_next/static/chunks/1tn-0fivsxsv1.js" 67:"/_next/static/chunks/0hlb44ca7-4a2.js" 68:"/_next/static/chunks/1ch_-e7_eco00.js" 69:"/_next/static/chunks/40mq7ggq-ozo4.js" 6a:"/_next/static/chunks/2112y_x317i7a.js" 6b:"/_next/static/chunks/2k8pepwc4pxns.js" 6c:"/_next/static/chunks/2hr13i-t0krnb.js" 6d:"/_next/static/chunks/0hy4a31wjpabs.js" 6e:"/_next/static/chunks/2mw79vtbi206x.js" 6f:"/_next/static/chunks/253gnmj0-cj17.js" 70:I[593304,["$2c","$2d","$2e","$2f","$30","$31","$46","$47","$48","$49","$4a","$4b","$4c","$4d","$4e","$4f","$50","$51","$52","$53","$54","$55","$56","$57","$58","$59","$5a","$5b","$5c","$5d","$5e","$5f","$60","$61","$62","$63","$64","$65","$66","$67","$68","$69","$6a","$6b","$6c","$6d","$6e","$6f"],"OwnedHydration"] 71:T513,Imagine you're analyzing sales data and need to answer: *How does today's revenue compare to yesterday's?* Or perhaps: *What's the percentage change in stock price from the previous trading day?* Or even: *What will be the next delivery date after the current order?* Traditionally, answering these questions required complex **self-joins**—joining a table to itself with carefully crafted offset conditions. This approach is not only syntactically cumbersome but also computationally expensive, often resulting in quadratic complexity as the database must match each row against potentially all other rows. **LAG** and **LEAD** are SQL window functions that elegantly solve this problem. They allow you to access data from **previous rows** (LAG) or **subsequent rows** (LEAD) relative to the current row, all within a single query pass. This capability transforms how we approach time-series analysis, change detection, gap analysis, and countless other analytical patterns. Understanding LAG and LEAD is fundamental to mastering SQL analytics because they represent a paradigm shift: instead of thinking in terms of set operations and joins, you learn to think in terms of **ordered sequences** and **row-to-row relationships**—a mental model that unlocks powerful analytical capabilities.72:T507,-- Example table: daily_sales -- | date | product | revenue | -- |------------|---------|---------| -- | 2024-01-01 | A | 1000 | -- | 2024-01-02 | A | 1200 | -- | 2024-01-03 | A | 950 | -- | 2024-01-04 | A | 1100 | -- Basic LAG: Get previous day's revenue SELECT date, product, revenue, LAG(revenue) OVER (ORDER BY date) AS prev_day_revenue FROM daily_sales; -- Result: -- | date | product | revenue | prev_day_revenue | -- |------------|---------|---------|------------------| -- | 2024-01-01 | A | 1000 | NULL | -- | 2024-01-02 | A | 1200 | 1000 | -- | 2024-01-03 | A | 950 | 1200 | -- | 2024-01-04 | A | 1100 | 950 | -- Basic LEAD: Get next day's revenue SELECT date, product, revenue, LEAD(revenue) OVER (ORDER BY date) AS next_day_revenue FROM daily_sales; -- Result: -- | date | product | revenue | next_day_revenue | -- |------------|---------|---------|------------------| -- | 2024-01-01 | A | 1000 | 1200 | -- | 2024-01-02 | A | 1200 | 950 | -- | 2024-01-03 | A | 950 | 1100 | -- | 2024-01-04 | A | 1100 | NULL |73:T5e6,-- Example: Daily sales by product, compare to previous day within same product SELECT date, product, revenue, LAG(revenue) OVER (PARTITION BY product ORDER BY date) AS prev_day_revenue, revenue - LAG(revenue, 1, revenue) OVER (PARTITION BY product ORDER BY date) AS daily_change FROM daily_sales ORDER BY product, date; -- Result: -- | date | product | revenue | prev_day_revenue | daily_change | -- |------------|---------|---------|------------------|--------------| -- | 2024-01-01 | A | 1000 | NULL | 0 | -- | 2024-01-02 | A | 1200 | 1000 | 200 | -- | 2024-01-03 | A | 950 | 1200 | -250 | -- | 2024-01-01 | B | 500 | NULL | 0 | <-- Partition reset -- | 2024-01-02 | B | 600 | 500 | 100 | -- | 2024-01-03 | B | 550 | 600 | -50 | -- Multi-column partition: Compare within product AND region SELECT date, product, region, revenue, LAG(revenue) OVER ( PARTITION BY product, region ORDER BY date ) AS prev_day_region_revenue FROM regional_sales ORDER BY product, region, date; -- Nested analysis: Year-over-year comparison by month SELECT year, month, product, revenue, LAG(revenue) OVER ( PARTITION BY month, product ORDER BY year ) AS prev_year_same_month FROM monthly_sales ORDER BY product, year, month;74:T4bc,-- Absolute and percentage change in stock prices SELECT trade_date, symbol, close_price, LAG(close_price) OVER (PARTITION BY symbol ORDER BY trade_date) AS prev_close, close_price - LAG(close_price) OVER (PARTITION BY symbol ORDER BY trade_date) AS price_change, ROUND( 100.0 * (close_price - LAG(close_price) OVER (PARTITION BY symbol ORDER BY trade_date)) / NULLIF(LAG(close_price) OVER (PARTITION BY symbol ORDER BY trade_date), 0), 2 ) AS pct_change FROM stock_prices WHERE symbol = 'AAPL' ORDER BY trade_date; -- Detecting status changes in order workflow SELECT order_id, status, status_timestamp, LAG(status) OVER (PARTITION BY order_id ORDER BY status_timestamp) AS prev_status, CASE WHEN LAG(status) OVER (PARTITION BY order_id ORDER BY status_timestamp) IS NULL THEN 'Created' WHEN status <> LAG(status) OVER (PARTITION BY order_id ORDER BY status_timestamp) THEN 'Changed' ELSE 'Unchanged' END AS change_type, status_timestamp - LAG(status_timestamp) OVER (PARTITION BY order_id ORDER BY status_timestamp) AS time_in_prev_status FROM order_status_history ORDER BY order_id, status_timestamp;75:T445,-- Identify consecutive growth periods WITH revenue_changes AS ( SELECT date, revenue, LAG(revenue) OVER (ORDER BY date) AS prev_revenue, CASE WHEN revenue > LAG(revenue) OVER (ORDER BY date) THEN 1 ELSE 0 END AS is_growth FROM daily_sales ) SELECT date, revenue, SUM(is_growth) OVER (ORDER BY date ROWS UNBOUNDED PRECEDING) AS growth_streak_group FROM revenue_changes; -- Multi-period trend classification SELECT date, revenue, CASE WHEN revenue > LAG(revenue, 1) OVER (ORDER BY date) AND LAG(revenue, 1) OVER (ORDER BY date) > LAG(revenue, 2) OVER (ORDER BY date) THEN 'Strong Uptrend' WHEN revenue > LAG(revenue, 1) OVER (ORDER BY date) THEN 'Uptrend' WHEN revenue < LAG(revenue, 1) OVER (ORDER BY date) AND LAG(revenue, 1) OVER (ORDER BY date) < LAG(revenue, 2) OVER (ORDER BY date) THEN 'Strong Downtrend' WHEN revenue < LAG(revenue, 1) OVER (ORDER BY date) THEN 'Downtrend' ELSE 'Stable' END AS trend_signal FROM daily_sales;76:T472,-- Find gaps in date sequences (missing days of data) WITH date_gaps AS ( SELECT date, LEAD(date) OVER (ORDER BY date) AS next_date, LEAD(date) OVER (ORDER BY date) - date AS days_until_next FROM daily_sales ) SELECT date AS gap_start, next_date AS gap_end, days_until_next - 1 AS missing_days FROM date_gaps WHERE days_until_next > 1; -- Detect unusual intervals between customer orders SELECT customer_id, order_date, LAG(order_date) OVER (PARTITION BY customer_id ORDER BY order_date) AS prev_order_date, order_date - LAG(order_date) OVER (PARTITION BY customer_id ORDER BY order_date) AS days_since_last_order, CASE WHEN order_date - LAG(order_date) OVER (PARTITION BY customer_id ORDER BY order_date) > 90 THEN 'Reactivated Customer' ELSE 'Regular Customer' END AS customer_status FROM orders WHERE customer_id = 12345 ORDER BY order_date; -- Find sequence number gaps SELECT id, LAG(id) OVER (ORDER BY id) AS prev_id, id - LAG(id) OVER (ORDER BY id) AS id_gap FROM transactions WHERE id - LAG(id) OVER (ORDER BY id) > 1;77:T43e,-- Sessionization: Group events into sessions with 30-minute timeout WITH event_gaps AS ( SELECT user_id, event_timestamp, event_type, LAG(event_timestamp) OVER (PARTITION BY user_id ORDER BY event_timestamp) AS prev_event_time, CASE WHEN event_timestamp - LAG(event_timestamp) OVER (PARTITION BY user_id ORDER BY event_timestamp) > INTERVAL '30 minutes' THEN 1 ELSE 0 END AS new_session_flag FROM user_events ), sessions AS ( SELECT *, SUM(new_session_flag) OVER (PARTITION BY user_id ORDER BY event_timestamp) + 1 AS session_id FROM event_gaps ) SELECT * FROM sessions; -- Track user navigation path (page flow) SELECT user_id, session_id, event_timestamp, page_url, LAG(page_url) OVER (PARTITION BY user_id, session_id ORDER BY event_timestamp) AS from_page, page_url AS to_page, LEAD(page_url) OVER (PARTITION BY user_id, session_id ORDER BY event_timestamp) AS next_page FROM page_views WHERE action = 'page_view';78:T65f,-- Pattern: Find first/last occurrence with LAG -- Identify the first purchase date for each customer session WITH purchase_events AS ( SELECT customer_id, event_date, event_type, LAG(event_type) OVER (PARTITION BY customer_id ORDER BY event_date) AS prev_event FROM customer_events ) SELECT * FROM purchase_events WHERE event_type = 'purchase' AND (prev_event IS NULL OR prev_event != 'purchase'); -- Pattern: Interleaved LAG and LEAD for bidirectional analysis SELECT date, revenue, LAG(revenue) OVER (ORDER BY date) AS prev_revenue, LEAD(revenue) OVER (ORDER BY date) AS next_revenue, CASE WHEN revenue > LAG(revenue) OVER (ORDER BY date) AND revenue > LEAD(revenue) OVER (ORDER BY date) THEN 'Local Maximum' WHEN revenue < LAG(revenue) OVER (ORDER BY date) AND revenue < LEAD(revenue) OVER (ORDER BY date) THEN 'Local Minimum' ELSE 'Neither' END AS peak_classification FROM daily_sales; -- Pattern: Accessing non-adjacent offset correlation -- Compare current value to value 3 periods ago AND 3 periods ahead SELECT date, revenue, LAG(revenue, 3) OVER (ORDER BY date) AS revenue_3_ago, LEAD(revenue, 3) OVER (ORDER BY date) AS revenue_3_ahead, CASE WHEN LAG(revenue, 3) OVER (ORDER BY date) IS NOT NULL AND LEAD(revenue, 3) OVER (ORDER BY date) IS NOT NULL THEN (LAG(revenue, 3) OVER (ORDER BY date) + revenue + LEAD(revenue, 3) OVER (ORDER BY date)) / 3.0 ELSE NULL END AS symmetric_avg FROM daily_sales;79:T59b,-- Problem: Distinguishing 'no previous row' from 'previous row is NULL' -- Solution: Use additional context -- Method 1: Combine with ROW_NUMBER SELECT date, revenue, LAG(revenue) OVER (ORDER BY date) AS prev_revenue, ROW_NUMBER() OVER (ORDER BY date) AS row_num, CASE WHEN ROW_NUMBER() OVER (ORDER BY date) = 1 THEN 'First Row (No Previous)' WHEN LAG(revenue) OVER (ORDER BY date) IS NULL THEN 'Previous Value is NULL' ELSE 'Has Previous Value' END AS lag_status FROM daily_sales; -- Method 2: Use COALESCE with sentinel value SELECT date, revenue, LAG(COALESCE(revenue, -1)) OVER (ORDER BY date) AS prev_with_sentinel, CASE WHEN LAG(COALESCE(revenue, -1)) OVER (ORDER BY date) IS NULL THEN 'First Row' WHEN LAG(COALESCE(revenue, -1)) OVER (ORDER BY date) = -1 THEN 'Previous was NULL' ELSE 'Normal Previous' END AS lag_interpretation FROM daily_sales; -- Pattern: IGNORE NULLS functionality (available in some databases) -- Oracle/PostgreSQL 14+: SELECT date, revenue, LAG(revenue IGNORE NULLS) OVER (ORDER BY date) AS last_non_null_revenue FROM daily_sales; -- Alternative for databases without IGNORE NULLS: SELECT date, revenue, (SELECT revenue FROM daily_sales s2 WHERE s2.date < s1.date AND s2.revenue IS NOT NULL ORDER BY s2.date DESC LIMIT 1) AS last_non_null_revenue FROM daily_sales s1;45:["$","$L70",null,{"owner":"anonymous","state":{"mutations":[],"queries":[{"dehydratedAt":1792301077414,"state":{"data":{"json":{"archivedAt":null,"id":"seed_4efd266245e8ccabd5a598fe1877548c","slug":"dbms","title":"Database Management Systems","description":"Study relational design, SQL, transactions and storage, reinforce query concepts with SQL problems, and apply consistency and analytical exports in repository coding and review.","image":null,"color":"#3B82F6","keyTopics":["Relational Model","SQL Mastery","ER Modeling","Normalization","Transactions & ACID","Indexing & B-Trees","Query Optimization","Distributed Databases"],"estimatedHours":221.4,"problemCount":26,"visualizerCount":0,"quizCount":0,"learningCount":252,"difficulty":"INTERMEDIATE","idealFor":["Computer Science students learning databases","Software engineers preparing for interviews","Backend developers working with databases","Anyone wanting to understand data management"],"prerequisites":["Basic programming knowledge","Understanding of data structures","Basic math and logic"],"skillsGained":["Database design and modeling","SQL query writing and optimization","Normalization and schema design","Understanding transaction management","Index design and query tuning","Distributed database concepts"],"outcomes":["Design efficient database schemas","Write complex SQL queries","Optimize database performance","Understand ACID and transactions","Apply normalization techniques","Choose appropriate database systems"],"overview":"This comprehensive learning path takes you from database fundamentals to advanced topics, preparing you for real-world database design and interviews.\n\n**What you'll learn:**\n• Database fundamentals (DBMS concepts, architecture, data models)\n• Relational model and relational algebra/calculus\n• Entity-Relationship modeling (ER and EER)\n• SQL from basics to advanced features\n• Normalization (1NF through 5NF)\n• Transaction management and concurrency control\n• Recovery and backup strategies\n• Storage systems and indexing (B-trees, hashing)\n• Query processing and optimization\n• Distributed databases and NoSQL\n• Data warehousing and OLAP\n\nEach topic includes detailed explanations and real-world examples.","createdAt":"2026-10-15T17:47:45.111Z","updatedAt":"2026-10-17T16:28:34.115Z","modules":[{"id":"seed_d50ecf005f98d6dce4877a20fe5149a5","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 1: Introduction To Databases","sectionOrder":1,"title":"Data and Information","order":1,"contentType":"LEARNING","contentSlug":"data-and-information","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.178Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_1a723477c4c1b36091df9717cc2513b2","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 1: Introduction To Databases","sectionOrder":1,"title":"File System vs DBMS: Understanding the Evolution of Data Management","order":2,"contentType":"LEARNING","contentSlug":"file-system-vs-dbms","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.178Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_599f550f61362a4d33e41a406832da54","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 1: Introduction To Databases","sectionOrder":1,"title":"Understanding DBMS Concepts","order":3,"contentType":"LEARNING","contentSlug":"dbms-concepts","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_faa85d536aa9b1c8da058abf4f158548","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 1: Introduction To Databases","sectionOrder":1,"title":"DBMS Advantages: Why Database Systems Excel","order":4,"contentType":"LEARNING","contentSlug":"dbms-advantages","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_b28a32cfdaf8c7acda9bcb37006182ac","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 1: Introduction To Databases","sectionOrder":1,"title":"Database Users","order":5,"contentType":"LEARNING","contentSlug":"database-users","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_d69ab5fc82226ad1e3db523c2c790d9e","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 1: Introduction To Databases","sectionOrder":1,"title":"DBMS Applications Across Industries","order":6,"contentType":"LEARNING","contentSlug":"dbms-applications","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_fb93ce9ffb7d090ad98a087ad9804cbb","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 2: Database System Architecture","sectionOrder":2,"title":"Three-Level Architecture","order":1,"contentType":"LEARNING","contentSlug":"three-level-architecture","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_3b1094dbbcf47eb85ff1948e0436ebb7","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 2: Database System Architecture","sectionOrder":2,"title":"Database Schemas and Instances","order":2,"contentType":"LEARNING","contentSlug":"schemas-and-instances","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_b05ed2bc9d137c1fa212d7afbd871a2f","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 2: Database System Architecture","sectionOrder":2,"title":"Data Independence: The Foundation of Database Flexibility","order":3,"contentType":"LEARNING","contentSlug":"data-independence","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_c757e4597c456dc1dba26f4383269cee","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 2: Database System Architecture","sectionOrder":2,"title":"DBMS Components: The Internal Architecture","order":4,"contentType":"LEARNING","contentSlug":"dbms-components","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_c6e3fff47468c9b6a0789417916e7b76","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 2: Database System Architecture","sectionOrder":2,"title":"Database Languages: The Complete Language Toolkit","order":5,"contentType":"LEARNING","contentSlug":"database-languages","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_40a48502dd77f00792e98053e0a3612d","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 2: Database System Architecture","sectionOrder":2,"title":"Client-Server Architecture in Database Systems","order":6,"contentType":"LEARNING","contentSlug":"client-server-architecture","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_acf4b038f297adaf6da9cae7d4796539","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 3: Data Models","sectionOrder":3,"title":"Data Model Concepts","order":1,"contentType":"LEARNING","contentSlug":"data-model-concepts","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_00ae39c65776c85374c320f4826bcb41","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 3: Data Models","sectionOrder":3,"title":"The Hierarchical Data Model","order":2,"contentType":"LEARNING","contentSlug":"hierarchical-model","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_f7dbec3e42c66c31509144729f53136c","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 3: Data Models","sectionOrder":3,"title":"The Network Data Model","order":3,"contentType":"LEARNING","contentSlug":"network-model","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_9da5dbeef4761d5bfeafe5e5980c755c","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 3: Data Models","sectionOrder":3,"title":"The Relational Model","order":4,"contentType":"LEARNING","contentSlug":"relational-model","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_f9b938c947aaed306f9532bb8c55b6d8","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 3: Data Models","sectionOrder":3,"title":"Object-Oriented Database Model","order":5,"contentType":"LEARNING","contentSlug":"object-oriented-model","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_3cdfbb4abb409e926e3668de85f0fa65","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 3: Data Models","sectionOrder":3,"title":"Document and Other Data Models","order":6,"contentType":"LEARNING","contentSlug":"document-and-other-models","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_2cd5459a2acd50e38ba9695f5fdb2f1f","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 4: Database Design Process","sectionOrder":4,"title":"Design Phases","order":1,"contentType":"LEARNING","contentSlug":"design-phases","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_7cc31f65c130e029dbc93a94cc4080e1","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 4: Database Design Process","sectionOrder":4,"title":"Requirements Gathering for Database Design","order":2,"contentType":"LEARNING","contentSlug":"dbms-requirements-gathering","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_d1a89cbf5cf43d94fa20615c03c7eef2","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 4: Database Design Process","sectionOrder":4,"title":"Conceptual Design: From Requirements to Data Models","order":3,"contentType":"LEARNING","contentSlug":"conceptual-design","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_723f913488333e7d2eca86e439a3744c","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 4: Database Design Process","sectionOrder":4,"title":"Logical Design: From Concepts to Schemas","order":4,"contentType":"LEARNING","contentSlug":"logical-design","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_b28583174ada5b870df9cd0c460ecddd","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 4: Database Design Process","sectionOrder":4,"title":"Physical Design","order":5,"contentType":"LEARNING","contentSlug":"physical-design","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_e5604684959857a0c510f7da5882fc3d","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 4: Database Design Process","sectionOrder":4,"title":"Database Design Methodologies","order":6,"contentType":"LEARNING","contentSlug":"design-methodologies","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_471a1f7a65cf5fca1d0b53ef6aa99725","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 5: Relational Model Fundamentals","sectionOrder":5,"title":"Relations and Tables: The Foundation of Relational Databases","order":1,"contentType":"LEARNING","contentSlug":"relations-and-tables","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_0284b7b2ac70160b8a308c810a9edaca","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 5: Relational Model Fundamentals","sectionOrder":5,"title":"Attributes and Domains in the Relational Model","order":2,"contentType":"LEARNING","contentSlug":"attributes-and-domains","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_dbcc134cab6526366e28a7d22bb4f4cd","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 5: Relational Model Fundamentals","sectionOrder":5,"title":"Tuples and Rows: The Atomic Units of Relational Data","order":3,"contentType":"LEARNING","contentSlug":"tuples-and-rows","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_13e920fc24748df6566bee6ad54090ee","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 5: Relational Model Fundamentals","sectionOrder":5,"title":"Keys in the Relational Model","order":4,"contentType":"LEARNING","contentSlug":"keys","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_2013fa0bc7270131498f9fe939cafa38","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 5: Relational Model Fundamentals","sectionOrder":5,"title":"Integrity Constraints in the Relational Model","order":5,"contentType":"LEARNING","contentSlug":"integrity-constraints","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_21047d4e5a9b168a2b270cc19e374e25","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 5: Relational Model Fundamentals","sectionOrder":5,"title":"Relational Model Notation","order":6,"contentType":"LEARNING","contentSlug":"relational-model-notation","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_2fb5e238680b2bb9e0fd28c010da8af1","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 6: Relational Algebra","sectionOrder":6,"title":"Relational Algebra Overview","order":1,"contentType":"LEARNING","contentSlug":"relational-algebra-overview","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_26769458c256421d96f6623882a734f0","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 6: Relational Algebra","sectionOrder":6,"title":"Selection and Projection","order":2,"contentType":"LEARNING","contentSlug":"selection-and-projection","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_93491553cb047d5c83d526f6c21109cc","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 6: Relational Algebra","sectionOrder":6,"title":"Set Operations in Relational Algebra","order":3,"contentType":"LEARNING","contentSlug":"set-operations","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_107a67088a66481d2342dc22dc933fb7","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 6: Relational Algebra","sectionOrder":6,"title":"Cartesian Product and Rename Operations","order":4,"contentType":"LEARNING","contentSlug":"cartesian-product-and-rename","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_758e48b3afd3f70518ccb88f200e317f","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 6: Relational Algebra","sectionOrder":6,"title":"Join Operations in Relational Algebra","order":5,"contentType":"LEARNING","contentSlug":"join-operations","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_cc45c84545ec2d058862e6fe9b6a550d","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 6: Relational Algebra","sectionOrder":6,"title":"Division Operation in Relational Algebra","order":6,"contentType":"LEARNING","contentSlug":"division-operation","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_333a3f36b51d9d6df3b5b86edaa25263","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 7: Relational Calculus","sectionOrder":7,"title":"Calculus vs Algebra: Two Paths to Query Power","order":1,"contentType":"LEARNING","contentSlug":"calculus-vs-algebra","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_e78e9be7a953ee07e0f345fa2f497326","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 7: Relational Calculus","sectionOrder":7,"title":"Tuple Relational Calculus","order":2,"contentType":"LEARNING","contentSlug":"tuple-relational-calculus","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_f4f74900b77c7e6d76b7e6a6261abfe5","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 7: Relational Calculus","sectionOrder":7,"title":"Quantifiers in Relational Calculus","order":3,"contentType":"LEARNING","contentSlug":"quantifiers","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_1a84111368c254cbef869befe6aa14f3","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 7: Relational Calculus","sectionOrder":7,"title":"Safe Queries in Relational Calculus","order":4,"contentType":"LEARNING","contentSlug":"safe-queries","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_9e3f3c2206bd7fdf625401ee7e90bff9","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 7: Relational Calculus","sectionOrder":7,"title":"Domain Relational Calculus","order":5,"contentType":"LEARNING","contentSlug":"domain-relational-calculus","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_420f527a03922d327c4de82eb09f5c95","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 7: Relational Calculus","sectionOrder":7,"title":"Expressive Power of Relational Languages","order":6,"contentType":"LEARNING","contentSlug":"expressive-power","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_13af1d594b768a2920de9a5387f529f0","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 8: Er To Relational Mapping","sectionOrder":8,"title":"Mapping Overview","order":1,"contentType":"LEARNING","contentSlug":"mapping-overview","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_2baf425e10bf5bca499085fed5d8fd9c","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 8: Er To Relational Mapping","sectionOrder":8,"title":"Entity Mapping","order":2,"contentType":"LEARNING","contentSlug":"entity-mapping","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_b551932b690f1956bdb0d0f8dcc5bc0b","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 8: Er To Relational Mapping","sectionOrder":8,"title":"Mapping One-to-One Relationships","order":3,"contentType":"LEARNING","contentSlug":"relationship-mapping-1-1","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_df6b0d490c9da4bf760dfa61e3d0576f","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 8: Er To Relational Mapping","sectionOrder":8,"title":"Mapping One-to-Many Relationships to Relations","order":4,"contentType":"LEARNING","contentSlug":"relationship-mapping-1n","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_9436035cbbc8cfee7c219a46c8c2ddc4","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 8: Er To Relational Mapping","sectionOrder":8,"title":"Relationship Mapping (M:N)","order":5,"contentType":"LEARNING","contentSlug":"relationship-mapping-mn","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_51242d61441270d44d73a824e4124280","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 8: Er To Relational Mapping","sectionOrder":8,"title":"Specialization Mapping: ER to Relational","order":6,"contentType":"LEARNING","contentSlug":"specialization-mapping","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_a1b1af904cf3c2be73b1945a1a74f972","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 9: Er Model Fundamentals","sectionOrder":9,"title":"ER Model Overview","order":1,"contentType":"LEARNING","contentSlug":"er-model-overview","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_1055d82f813b6dd382609ef040a79889","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 9: Er Model Fundamentals","sectionOrder":9,"title":"Entities and Entity Sets","order":2,"contentType":"LEARNING","contentSlug":"entities-and-entity-sets","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_0f280188149562f962c59e851922b5d0","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 9: Er Model Fundamentals","sectionOrder":9,"title":"Attributes in ER Modeling","order":3,"contentType":"LEARNING","contentSlug":"attributes","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_96ef23aacc392e96d728e2e8a78f721b","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 9: Er Model Fundamentals","sectionOrder":9,"title":"Relationships in ER Modeling","order":4,"contentType":"LEARNING","contentSlug":"er-relationships","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_752246d0708ea44781d278811162a079","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 9: Er Model Fundamentals","sectionOrder":9,"title":"Cardinality in ER Modeling","order":5,"contentType":"LEARNING","contentSlug":"cardinality","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_a9efc7b295d686be0ba9b05ff45c1f5e","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 9: Er Model Fundamentals","sectionOrder":9,"title":"Participation Constraints in ER Modeling","order":6,"contentType":"LEARNING","contentSlug":"participation-constraints","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_66f234d244cdb11cc9e6b8bdb3c7f3af","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 10: Advanced Er Concepts","sectionOrder":10,"title":"Weak Entities in ER Modeling","order":1,"contentType":"LEARNING","contentSlug":"weak-entities","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_2cb50cebe7f1554507777095ee312b19","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 10: Advanced Er Concepts","sectionOrder":10,"title":"Identifying Relationships in ER Modeling","order":2,"contentType":"LEARNING","contentSlug":"identifying-relationships","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_ec570d6052b3efdc20b413918989dd02","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 10: Advanced Er Concepts","sectionOrder":10,"title":"Ternary Relationships","order":3,"contentType":"LEARNING","contentSlug":"ternary-relationships","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_6e712929173f4463caad029c817ebbda","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 10: Advanced Er Concepts","sectionOrder":10,"title":"Self-Referential Relationships","order":4,"contentType":"LEARNING","contentSlug":"self-referential-relationships","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_a786fe13ec98d60df135a7cbf1771cf2","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 10: Advanced Er Concepts","sectionOrder":10,"title":"Aggregation","order":5,"contentType":"LEARNING","contentSlug":"aggregation","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_a63e876eab1a63d0b01b1690f1a86f9d","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 10: Advanced Er Concepts","sectionOrder":10,"title":"ER Diagram Best Practices","order":6,"contentType":"LEARNING","contentSlug":"er-diagram-best-practices","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_9bfd863087bc36d52caf8031640d88ed","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 11: Enhanced Er","sectionOrder":11,"title":"Specialization in Enhanced ER Modeling","order":1,"contentType":"LEARNING","contentSlug":"specialization","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_e28d827917911c7d96a2df4b4b09950a","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 11: Enhanced Er","sectionOrder":11,"title":"Inheritance in Enhanced ER Modeling","order":2,"contentType":"LEARNING","contentSlug":"eer-inheritance","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_7f1276cebef4e9fbcaa0842c530021e4","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 11: Enhanced Er Eer","sectionOrder":12,"title":"Enhanced Entity-Relationship Model Overview","order":1,"contentType":"LEARNING","contentSlug":"eer-overview","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_d6891fa1ec6f8a691210c067fd2e16fa","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 11: Enhanced Er Eer","sectionOrder":12,"title":"Generalization in EER Modeling","order":2,"contentType":"LEARNING","contentSlug":"generalization","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_79a056630e3120dfca4ba3e79ee61fc3","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 11: Enhanced Er Eer","sectionOrder":12,"title":"Constraints on Specialization","order":3,"contentType":"LEARNING","contentSlug":"constraints-on-specialization","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_d50186f589b47f7c7674f318a57d03e2","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 11: Enhanced Er Eer","sectionOrder":12,"title":"Categories and Union Types in EER Modeling","order":4,"contentType":"LEARNING","contentSlug":"categories-union-types","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_f415e93638503de638a2c9864d96c704","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 12: Sql Fundamentals","sectionOrder":13,"title":"SQL Overview","order":1,"contentType":"LEARNING","contentSlug":"sql-overview","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_665bcfa0498183bc7576ac6f72d185e2","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 12: Sql Fundamentals","sectionOrder":13,"title":"Data Definition Language (DDL)","order":2,"contentType":"LEARNING","contentSlug":"data-definition-language-ddl","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_355c7573f46d6eb96edd221f9c038644","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 12: Sql Fundamentals","sectionOrder":13,"title":"SQL Data Types","order":3,"contentType":"LEARNING","contentSlug":"sql-data-types","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_d95c8c8b390655663cc774ee911928bc","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 12: Sql Fundamentals","sectionOrder":13,"title":"Constraints in DDL","order":4,"contentType":"LEARNING","contentSlug":"constraints-in-ddl","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_c052af174f2a4c94bd8fc8b7ffaea988","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 12: Sql Fundamentals","sectionOrder":13,"title":"Data Manipulation Language (DML)","order":5,"contentType":"LEARNING","contentSlug":"data-manipulation-language","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_add9eb26db30fda4dab7f4e59de98313","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 12: Sql Fundamentals","sectionOrder":13,"title":"SQL Execution Flow","order":6,"contentType":"LEARNING","contentSlug":"sql-execution-flow","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_23a9fc1673548577388bb7fdada8ca76","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 13: Sql Queries","sectionOrder":14,"title":"SELECT Basics: Mastering Data Retrieval","order":1,"contentType":"LEARNING","contentSlug":"select-basics","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_82072d918659a1f8c14fcb3f7428fc68","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 13: Sql Queries","sectionOrder":14,"title":"The WHERE Clause: Filtering Data with Precision","order":2,"contentType":"LEARNING","contentSlug":"where-clause","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_65cbdd309c8ba06546eef1825843f8d9","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 13: Sql Queries","sectionOrder":14,"title":"NULL Handling in SQL","order":3,"contentType":"LEARNING","contentSlug":"null-handling","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_df2ebe381f8fa3a836f266cd5f6ee2db","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 13: Sql Queries","sectionOrder":14,"title":"Logical Operators","order":4,"contentType":"LEARNING","contentSlug":"logical-operators","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_e467d144e6450bca62305ab2593b781c","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 13: Sql Queries","sectionOrder":14,"title":"ORDER BY: Mastering Result Set Ordering","order":5,"contentType":"LEARNING","contentSlug":"order-by","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_463511e8c113db42baafbe18ba165e9a","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 13: Sql Queries","sectionOrder":14,"title":"DISTINCT and LIMIT: Controlling Result Sets","order":6,"contentType":"LEARNING","contentSlug":"distinct-and-limit","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_1d18d91af4aefe343ebf3fd3626212ad","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 13: Sql Queries","sectionOrder":14,"title":"Category Discounted Product Pricing","order":7,"contentType":"PROBLEM","contentSlug":"category-discounted-product-pricing","description":null,"estimatedMins":20,"createdAt":"2026-10-17T16:02:58.914Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_5e944991962a4e68690f482f840a3794","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 13: Sql Queries","sectionOrder":14,"title":"Customer Referral Eligibility","order":8,"contentType":"PROBLEM","contentSlug":"customer-referral-eligibility","description":null,"estimatedMins":20,"createdAt":"2026-10-17T16:02:58.914Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_a8d24e0917fd4d91a7822e59be428470","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 13: Sql Queries","sectionOrder":14,"title":"Employee Low Bonus Audit","order":9,"contentType":"PROBLEM","contentSlug":"employee-low-bonus-audit","description":null,"estimatedMins":20,"createdAt":"2026-10-17T16:02:58.914Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_8ad396e605585c58a02aa730903fc125","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 13: Sql Queries","sectionOrder":14,"title":"Large-Country Screening Report","order":10,"contentType":"PROBLEM","contentSlug":"large-country-screening-report","description":null,"estimatedMins":20,"createdAt":"2026-10-17T16:02:58.914Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_a422a4a5ed453d6441702428626f3a9f","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 14: Sql Joins And Subqueries","sectionOrder":15,"title":"Join Concepts","order":1,"contentType":"LEARNING","contentSlug":"join-concepts","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_a7016a76decf5e3b3a8a14334c707822","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 14: Sql Joins And Subqueries","sectionOrder":15,"title":"Mastering Inner Joins in SQL","order":2,"contentType":"LEARNING","contentSlug":"inner-join","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_ec250c0c2bb628f30841a1e745b30312","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 14: Sql Joins And Subqueries","sectionOrder":15,"title":"Outer Joins: Preserving Unmatched Data","order":3,"contentType":"LEARNING","contentSlug":"outer-joins","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_7c7470b36a63892aa7a582fb494fe290","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 14: Sql Joins And Subqueries","sectionOrder":15,"title":"Other Join Types: Beyond Basic Joins","order":4,"contentType":"LEARNING","contentSlug":"other-join-types","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_8c1030fbf8d19d7936e6d3c079fd6425","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 14: Sql Joins And Subqueries","sectionOrder":15,"title":"SQL Subqueries: Nested Query Power","order":5,"contentType":"LEARNING","contentSlug":"subqueries","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_00b0aac1d35211063bbc86f1078cfe74","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 14: Sql Joins And Subqueries","sectionOrder":15,"title":"Correlated Subqueries","order":6,"contentType":"LEARNING","contentSlug":"correlated-subqueries","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_e91fa9478a1e30a1b21b09e69fe861ee","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 14: Sql Joins And Subqueries","sectionOrder":15,"title":"Adjacent Free Seat Finder","order":7,"contentType":"PROBLEM","contentSlug":"adjacent-free-seat-finder","description":null,"estimatedMins":20,"createdAt":"2026-10-17T16:02:58.914Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_964f55149489f989b1858fd48f2be0c4","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 14: Sql Joins And Subqueries","sectionOrder":15,"title":"Binary Hierarchy Node Role Tagging","order":8,"contentType":"PROBLEM","contentSlug":"binary-hierarchy-node-role-tagging","description":null,"estimatedMins":20,"createdAt":"2026-10-17T16:02:58.914Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_b9cbe5907ef493bbf4b9c9e83b910090","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 14: Sql Joins And Subqueries","sectionOrder":15,"title":"Double Round-Robin League Fixtures","order":9,"contentType":"PROBLEM","contentSlug":"double-round-robin-league-fixtures","description":null,"estimatedMins":20,"createdAt":"2026-10-17T16:02:58.914Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_b83ec86f02ed80ab136d16e17996bfe9","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 14: Sql Joins And Subqueries","sectionOrder":15,"title":"Employee Identity Bridge Report","order":10,"contentType":"PROBLEM","contentSlug":"employee-identity-bridge-report","description":null,"estimatedMins":20,"createdAt":"2026-10-17T16:02:58.914Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_971f68c364a9e3751ee736844e383f94","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 15: Sql Aggregation And Grouping","sectionOrder":16,"title":"SQL Aggregate Functions: Summarizing Data with Precision","order":1,"contentType":"LEARNING","contentSlug":"aggregate-functions","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_bfb9e52dee137caac0f3f194219b77ae","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 15: Sql Aggregation And Grouping","sectionOrder":16,"title":"GROUP BY: Categorizing and Summarizing Data","order":2,"contentType":"LEARNING","contentSlug":"group-by","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_7c7117f29901c2a80c0a14ff9a947202","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 15: Sql Aggregation And Grouping","sectionOrder":16,"title":"HAVING Clause: Filtering Grouped Data","order":3,"contentType":"LEARNING","contentSlug":"having-clause","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_ef5fa2bd200dc327b36fdee6057bfd64","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 15: Sql Aggregation And Grouping","sectionOrder":16,"title":"Window Functions Basics","order":4,"contentType":"LEARNING","contentSlug":"window-functions-basics","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_20b6e9e7f168974bbe25b7bb532102d6","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 15: Sql Aggregation And Grouping","sectionOrder":16,"title":"SQL Ranking Functions","order":5,"contentType":"LEARNING","contentSlug":"ranking-functions","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_e985063ba3590bf786e6e0474b36ba49","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 15: Sql Aggregation And Grouping","sectionOrder":16,"title":"Analytic Functions","order":6,"contentType":"LEARNING","contentSlug":"analytic-functions","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_c1827c8908d0e44b36b17c1bde1cbb56","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 15: Sql Aggregation And Grouping","sectionOrder":16,"title":"Accounts Above Net Balance Threshold","order":7,"contentType":"PROBLEM","contentSlug":"accounts-above-net-balance-threshold","description":null,"estimatedMins":20,"createdAt":"2026-10-17T16:02:58.914Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_7e6461d7142009475aaee39658f0931e","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 15: Sql Aggregation And Grouping","sectionOrder":16,"title":"Ad Campaign Click-Through Rate Ranking","order":8,"contentType":"PROBLEM","contentSlug":"ad-campaign-click-through-rate-ranking","description":null,"estimatedMins":20,"createdAt":"2026-10-17T16:02:58.914Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_394865f376123bddf359d6d54bafb127","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 15: Sql Aggregation And Grouping","sectionOrder":16,"title":"Artist Presence Frequency on Streaming Chart","order":9,"contentType":"PROBLEM","contentSlug":"artist-presence-frequency-on-streaming-chart","description":null,"estimatedMins":20,"createdAt":"2026-10-17T16:02:58.914Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_a35fc0530ee77eb8a43be732dfc98a74","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 15: Sql Aggregation And Grouping","sectionOrder":16,"title":"Average Process Duration by Machine","order":10,"contentType":"PROBLEM","contentSlug":"average-process-duration-by-machine","description":null,"estimatedMins":20,"createdAt":"2026-10-17T16:02:58.914Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_1540919d47ffbecadcea9ba7f8bd63c5","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 16: Sql Advanced Features","sectionOrder":17,"title":"SQL Views: Virtual Tables and Data Abstraction","order":1,"contentType":"LEARNING","contentSlug":"views","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_e24f756f608bcf75a489cb86f12d4282","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 16: Sql Advanced Features","sectionOrder":17,"title":"Common Table Expressions (CTEs)","order":2,"contentType":"LEARNING","contentSlug":"common-table-expressions","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_82e406b815546f83e4ffa82b08d1a610","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 16: Sql Advanced Features","sectionOrder":17,"title":"Stored Procedures","order":3,"contentType":"LEARNING","contentSlug":"stored-procedures","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_b38d6117b6f81d9bb0452c8372f527a0","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 16: Sql Advanced Features","sectionOrder":17,"title":"SQL Functions","order":4,"contentType":"LEARNING","contentSlug":"sql-functions","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_a84884f6293b430d2e79f4715c029ff4","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 16: Sql Advanced Features","sectionOrder":17,"title":"Triggers","order":5,"contentType":"LEARNING","contentSlug":"triggers","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_964caf36e2bebc85e252e62e7ac3d092","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 16: Sql Advanced Features","sectionOrder":17,"title":"Cursors in SQL","order":6,"contentType":"LEARNING","contentSlug":"cursors","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_111188da1c3c948629f2cc9c46dfb8a3","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 16: Sql Advanced Features","sectionOrder":17,"title":"Latest Employee Compensation Snapshot","order":7,"contentType":"PROBLEM","contentSlug":"latest-employee-compensation-snapshot","description":null,"estimatedMins":20,"createdAt":"2026-10-17T16:02:58.914Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_3c4472fe02cdb73d7894f445be27238b","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 16: Sql Advanced Features","sectionOrder":17,"title":"Minimum Coordinate Gap on a Line","order":8,"contentType":"PROBLEM","contentSlug":"minimum-coordinate-gap-on-a-line","description":null,"estimatedMins":20,"createdAt":"2026-10-17T16:02:58.914Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_bfb759fced19a56a6f7dd391d73df3d7","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 16: Sql Advanced Features","sectionOrder":17,"title":"Rapid Repeat Confirmation Requesters","order":9,"contentType":"PROBLEM","contentSlug":"rapid-repeat-confirmation-requesters","description":null,"estimatedMins":20,"createdAt":"2026-10-17T16:02:58.914Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_dac599754d9b136119d9b4f8f2f878b7","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 16: Sql Advanced Features","sectionOrder":17,"title":"State City Directory Rollup","order":10,"contentType":"PROBLEM","contentSlug":"state-city-directory-rollup","description":null,"estimatedMins":20,"createdAt":"2026-10-17T16:02:58.914Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_f317760f42870027f1e09321eed3e37e","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 17: Sql Performance","sectionOrder":18,"title":"Query Performance Basics","order":1,"contentType":"LEARNING","contentSlug":"query-performance-basics","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_7f29204f762c48fc4a5acfe4771c9278","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 17: Sql Performance","sectionOrder":18,"title":"Understanding EXPLAIN Plans","order":2,"contentType":"LEARNING","contentSlug":"explain-plans","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_09ecef13c11bcf5fe412f164cc3a0608","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 17: Sql Performance","sectionOrder":18,"title":"Index Usage for Query Optimization","order":3,"contentType":"LEARNING","contentSlug":"index-usage","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_267a02ae5ababb05b789c072866eac90","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 17: Sql Performance","sectionOrder":18,"title":"Query Optimization Tips","order":4,"contentType":"LEARNING","contentSlug":"query-optimization-tips","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_04967c50de8ef64d0ba26d95d6e2bfad","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 17: Sql Performance","sectionOrder":18,"title":"Common SQL Performance Issues","order":5,"contentType":"LEARNING","contentSlug":"common-performance-issues","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_02848ea09466446c0ce5a0ac51518aee","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 17: Sql Performance","sectionOrder":18,"title":"Query Profiling","order":6,"contentType":"LEARNING","contentSlug":"query-profiling","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_5df1bd01cb9f794d300667e60cbb625a","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 18: Functional Dependencies","sectionOrder":19,"title":"Functional Dependency Concept","order":1,"contentType":"LEARNING","contentSlug":"functional-dependency-concept","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_6835bea6f5ea052b5b437df086aa6f05","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 18: Functional Dependencies","sectionOrder":19,"title":"Armstrong's Axioms","order":2,"contentType":"LEARNING","contentSlug":"armstrongs-axioms","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_1598b8af62fe1dc9fad54aa80492a2a5","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 18: Functional Dependencies","sectionOrder":19,"title":"Attribute Closure","order":3,"contentType":"LEARNING","contentSlug":"attribute-closure","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_10ee56545ccf0f1883f074028e65d514","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 18: Functional Dependencies","sectionOrder":19,"title":"Equivalence of Functional Dependency Sets","order":4,"contentType":"LEARNING","contentSlug":"equivalence-of-fd-sets","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_27d4f9aaaaeca839af3e0a223633dd0c","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 18: Functional Dependencies","sectionOrder":19,"title":"Canonical Cover: Minimizing Functional Dependencies","order":5,"contentType":"LEARNING","contentSlug":"canonical-cover","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_8b695f28b33b08c091a512d57da325f8","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 18: Functional Dependencies","sectionOrder":19,"title":"Functional Dependencies and Keys","order":6,"contentType":"LEARNING","contentSlug":"fd-and-keys","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_eb21f163cabcbbb8b9efddc542564b68","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 19: Normal Forms","sectionOrder":20,"title":"Second Normal Form: Eliminating Partial Dependencies","order":1,"contentType":"LEARNING","contentSlug":"second-normal-form","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_9993840247f1a6e3ef5e6de94c162b85","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 19: Normal Forms","sectionOrder":20,"title":"Third Normal Form (3NF)","order":2,"contentType":"LEARNING","contentSlug":"third-normal-form","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_16e80fd5e250c5fc610d90f36ee01264","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 19: Normal Forms 1nf 3nf","sectionOrder":21,"title":"Understanding Database Normalization","order":1,"contentType":"LEARNING","contentSlug":"normalization-overview","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_1a1ec7b0072b096a38b4b829a2d0622f","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 19: Normal Forms 1nf 3nf","sectionOrder":21,"title":"First Normal Form (1NF): Foundation of Normalization","order":2,"contentType":"LEARNING","contentSlug":"first-normal-form","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_b94699edbeb93c396eaeb95a38366c74","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 19: Normal Forms 1nf 3nf","sectionOrder":21,"title":"Lossless Join Decomposition","order":3,"contentType":"LEARNING","contentSlug":"lossless-join-decomposition","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_435843839d3efbf31e8f2dfa887bac19","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 19: Normal Forms 1nf 3nf","sectionOrder":21,"title":"Dependency Preserving Decomposition","order":4,"contentType":"LEARNING","contentSlug":"dependency-preserving-decomposition","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_a3817b80d5cd3e2942c32385fcc56e04","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 20: Advanced Normal Forms","sectionOrder":22,"title":"Boyce-Codd Normal Form (BCNF)","order":1,"contentType":"LEARNING","contentSlug":"bcnf","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_f98113874f45cd9d67aecb4781a7a7db","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 20: Advanced Normal Forms","sectionOrder":22,"title":"BCNF Decomposition","order":2,"contentType":"LEARNING","contentSlug":"bcnf-decomposition","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_3db88b892e309a7e14d0eb212dc3bcd9","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 20: Advanced Normal Forms","sectionOrder":22,"title":"Multivalued Dependencies","order":3,"contentType":"LEARNING","contentSlug":"multivalued-dependencies","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_3c48dc8a537d506b98ae48f75908c7ca","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 20: Advanced Normal Forms","sectionOrder":22,"title":"Fourth Normal Form (4NF)","order":4,"contentType":"LEARNING","contentSlug":"fourth-normal-form","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_d5320a5592ab45c6675f23ec263eb0c4","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 20: Advanced Normal Forms","sectionOrder":22,"title":"Join Dependencies and Fifth Normal Form","order":5,"contentType":"LEARNING","contentSlug":"join-dependencies-and-5nf","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_6dbcb2ceb21380814f48913e6da48c65","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 20: Advanced Normal Forms","sectionOrder":22,"title":"Normal Form Comparison","order":6,"contentType":"LEARNING","contentSlug":"normal-form-comparison","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_4dc7a386229cb171c1eb18a025b1baa4","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 21: Denormalization","sectionOrder":23,"title":"Understanding Denormalization","order":1,"contentType":"LEARNING","contentSlug":"denormalization-concept","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_e94f8a7ed77234f3847c16609db4d7d0","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 21: Denormalization","sectionOrder":23,"title":"Denormalization Techniques","order":2,"contentType":"LEARNING","contentSlug":"denormalization-techniques","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_7f62e4d135df056bed44a8227418b3f6","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 21: Denormalization","sectionOrder":23,"title":"Performance Considerations in Denormalization","order":3,"contentType":"LEARNING","contentSlug":"performance-considerations","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_6d2bcf45ef8a7510ea2d8ab4d27ffca3","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 21: Denormalization","sectionOrder":23,"title":"Data Integrity Challenges in Denormalization","order":4,"contentType":"LEARNING","contentSlug":"data-integrity-challenges","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_b255f38fbfccc5bffd1b4beaba9ba16a","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 21: Denormalization","sectionOrder":23,"title":"OLTP vs OLAP Considerations","order":5,"contentType":"LEARNING","contentSlug":"oltp-vs-olap-considerations","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_82234b779b80f473a6e5404ad4650059","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 21: Denormalization","sectionOrder":23,"title":"Denormalization Patterns","order":6,"contentType":"LEARNING","contentSlug":"denormalization-patterns","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_8960163aef0be4b900ac9e00c2fe591a","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 22: Transaction Concepts","sectionOrder":24,"title":"Transaction Definition","order":1,"contentType":"LEARNING","contentSlug":"transaction-definition","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_1e3a1819e0c5da69a2f6c7eeaa4afb65","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 22: Transaction Concepts","sectionOrder":24,"title":"ACID Properties: The Foundation of Reliable Transactions","order":2,"contentType":"LEARNING","contentSlug":"dbms-acid-properties","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_89a154c9c90b609f110e8c54b7529bdf","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 22: Transaction Concepts","sectionOrder":24,"title":"Transaction States","order":3,"contentType":"LEARNING","contentSlug":"transaction-states","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_ff54a343c37fa444f9ab80b3f6358e52","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 22: Transaction Concepts","sectionOrder":24,"title":"Conflict Serializability","order":4,"contentType":"LEARNING","contentSlug":"conflict-serializability","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_711b773f5f733f6ec261da22342d6e47","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 22: Transaction Concepts","sectionOrder":24,"title":"Recoverability","order":5,"contentType":"LEARNING","contentSlug":"recoverability","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_8febff89bdab0f4514f111f6a9361ef1","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 22: Transaction Concepts","sectionOrder":24,"title":"View Serializability","order":6,"contentType":"LEARNING","contentSlug":"view-serializability","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_8ee2d5acef9c631c6c66b036402c2b7c","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 22: Transaction Concepts","sectionOrder":24,"title":"An unsuccessful credit capture changes account balances","order":7,"contentType":"REPO","contentSlug":"credit-reservations-capture-recovery","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.914Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_efab8c8fc8d4941c843ced5b192e4044","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 22: Transaction Concepts","sectionOrder":24,"title":"Capture reserved credit only once","order":8,"contentType":"CODE_REVIEW","contentSlug":"credit-reservations-review-capture-recovery","description":null,"estimatedMins":35,"createdAt":"2026-10-17T16:02:58.914Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_3290a8870ce7257f05f651b83ad05835","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 23: Concurrency Problems","sectionOrder":25,"title":"Understanding Concurrency in Database Systems","order":1,"contentType":"LEARNING","contentSlug":"concurrency-overview","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_5dedc2f97cb4a28fcf9e647404692f32","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 23: Concurrency Problems","sectionOrder":25,"title":"Understanding the Lost Update Problem","order":2,"contentType":"LEARNING","contentSlug":"lost-update-problem","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_132311814fc6b5786e3a29bc01e810cd","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 23: Concurrency Problems","sectionOrder":25,"title":"The Dirty Read Problem: Reading Uncommitted Data","order":3,"contentType":"LEARNING","contentSlug":"dirty-read-problem","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_6f1dc94cbf68f88cca5aa58db1bb9590","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 23: Concurrency Problems","sectionOrder":25,"title":"Unrepeatable Read Problem","order":4,"contentType":"LEARNING","contentSlug":"unrepeatable-read-problem","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_96aaef306be48dcf33d30fe5b25db249","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 23: Concurrency Problems","sectionOrder":25,"title":"The Phantom Read Problem","order":5,"contentType":"LEARNING","contentSlug":"phantom-read-problem","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_b110a4194041e2b6908b1bfb3a1a55f1","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 23: Concurrency Problems","sectionOrder":25,"title":"Isolation Levels","order":6,"contentType":"LEARNING","contentSlug":"isolation-levels","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_c12c194ee0c6d40719f721a4c9b04576","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 24: Locking Protocols","sectionOrder":26,"title":"Lock Concepts","order":1,"contentType":"LEARNING","contentSlug":"lock-concepts","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_c34e328d987f71b185048440e1d911f7","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 24: Locking Protocols","sectionOrder":26,"title":"Two-Phase Locking Protocol","order":2,"contentType":"LEARNING","contentSlug":"two-phase-locking","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_08396eb2d9498fef396f516e7439a08d","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 24: Locking Protocols","sectionOrder":26,"title":"Two-Phase Locking Variants","order":3,"contentType":"LEARNING","contentSlug":"2pl-variants","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_fb9cfa670b5d6cbd931895d12576710d","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 24: Locking Protocols","sectionOrder":26,"title":"Lock Granularity","order":4,"contentType":"LEARNING","contentSlug":"lock-granularity","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_c209183cda2f52bfd1553077eef85bec","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 24: Locking Protocols","sectionOrder":26,"title":"Deadlock Handling in Database Systems","order":5,"contentType":"LEARNING","contentSlug":"deadlock-handling","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_17ba417fa1d82f2535d1f99bd4710e99","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 24: Locking Protocols","sectionOrder":26,"title":"Starvation in Concurrency Control","order":6,"contentType":"LEARNING","contentSlug":"starvation","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_6f920d668f5f79a2529c1d0f9638eb63","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 25: Timestamp And Mvcc","sectionOrder":27,"title":"Basic Timestamp Protocol","order":1,"contentType":"LEARNING","contentSlug":"basic-timestamp-protocol","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_1e9c886a4e2f9034a51641209da6799b","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 25: Timestamp And Mvcc","sectionOrder":27,"title":"Timestamp-Based vs Lock-Based Concurrency Control","order":2,"contentType":"LEARNING","contentSlug":"timestamp-vs-locking","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_ecc4ef363864d3152af67244d4075160","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 25: Timestamp And Mvcc","sectionOrder":27,"title":"Thomas Write Rule","order":3,"contentType":"LEARNING","contentSlug":"thomas-write-rule","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_200dd182c7f238c5f1485286141bd877","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 25: Timestamp And Mvcc","sectionOrder":27,"title":"Snapshot Isolation: Consistent Views for Concurrent Transactions","order":4,"contentType":"LEARNING","contentSlug":"snapshot-isolation","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_f47c617f4ebd3ed51e494b845b011720","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 25: Timestamp Mvcc","sectionOrder":28,"title":"Timestamp Ordering Protocol","order":1,"contentType":"LEARNING","contentSlug":"timestamp-ordering","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_64c0e54354a4beda6f632f8da20db4ee","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 25: Timestamp Mvcc","sectionOrder":28,"title":"Multi-Version Concurrency Control (MVCC)","order":2,"contentType":"LEARNING","contentSlug":"mvcc","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_b9174dee33c51fd3a979563a4b7cd38a","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 26: Failure And Recovery Concepts","sectionOrder":29,"title":"Recovery Concepts","order":1,"contentType":"LEARNING","contentSlug":"recovery-concepts","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_a6df42d19277ccbb8109a3df1d24c363","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 26: Failure And Recovery Concepts","sectionOrder":29,"title":"Write-Ahead Logging (WAL)","order":2,"contentType":"LEARNING","contentSlug":"write-ahead-logging","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_34f1f384da9c7c436510a4e1a74c5435","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 26: Failure Recovery Concepts","sectionOrder":30,"title":"Understanding Database Failure Types","order":1,"contentType":"LEARNING","contentSlug":"failure-types","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_2e265eb23b3591836c2ef758d6b4abf5","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 26: Failure Recovery Concepts","sectionOrder":30,"title":"Log-Based Recovery","order":2,"contentType":"LEARNING","contentSlug":"log-based-recovery","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_5de79fe9c65028160ab9b90b42b8d6a7","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 26: Failure Recovery Concepts","sectionOrder":30,"title":"Checkpoints in Database Recovery","order":3,"contentType":"LEARNING","contentSlug":"checkpoints","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_1da5121d879476f0286e9dcafb30e6d5","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 26: Failure Recovery Concepts","sectionOrder":30,"title":"Stable Storage: Foundations of Durability","order":4,"contentType":"LEARNING","contentSlug":"stable-storage","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_71b1ba69d0d8b78550e1849de6c44050","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 27: Recovery Algorithms","sectionOrder":31,"title":"Recovery Algorithm Types","order":1,"contentType":"LEARNING","contentSlug":"recovery-algorithm-types","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_7baae5f17e511d128cde1ea0ac2ba1db","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 27: Recovery Algorithms","sectionOrder":31,"title":"ARIES Recovery Algorithm Overview","order":2,"contentType":"LEARNING","contentSlug":"aries-overview","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_1f7a7af5bf983f9cdf831155738524ed","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 27: Recovery Algorithms","sectionOrder":31,"title":"ARIES Analysis Phase: Reconstructing System State","order":3,"contentType":"LEARNING","contentSlug":"analysis-phase","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_609cf330d67ef0de19a077b023b8896c","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 27: Recovery Algorithms","sectionOrder":31,"title":"ARIES Redo Phase: Reconstructing Consistency","order":4,"contentType":"LEARNING","contentSlug":"redo-phase","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_57732a3b25c2e2e4613ccde8e14917ca","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 27: Recovery Algorithms","sectionOrder":31,"title":"Undo Phase in ARIES Recovery","order":5,"contentType":"LEARNING","contentSlug":"undo-phase","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_88bb5eafc91d71e30a0f76fc1ea6d9ba","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 27: Recovery Algorithms","sectionOrder":31,"title":"ARIES Advanced Features and Optimizations","order":6,"contentType":"LEARNING","contentSlug":"aries-features","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_466dd1a80122b11288a9981d1709f103","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 27: Recovery Algorithms","sectionOrder":31,"title":"Failed release journals leave a partially published room","order":7,"contentType":"REPO","contentSlug":"release-room-journal-recovery","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.914Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_372ffae6b5918d15a7c2b458426d76bc","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 27: Recovery Algorithms","sectionOrder":31,"title":"Isolate the editorial transaction draft","order":8,"contentType":"CODE_REVIEW","contentSlug":"release-room-review-journal-recovery","description":null,"estimatedMins":35,"createdAt":"2026-10-17T16:02:58.914Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_77e0a77579478e41cfbe98d9a30bd313","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 28: Backup Strategies","sectionOrder":32,"title":"Understanding Database Backup Types","order":1,"contentType":"LEARNING","contentSlug":"backup-types","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_13948c638b83d20194cbe6bcc5278f61","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 28: Backup Strategies","sectionOrder":32,"title":"Backup Implementation Strategies","order":2,"contentType":"LEARNING","contentSlug":"backup-implementation","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_ae2f566359743f127b2a3bb5d2f8ce67","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 28: Backup Strategies","sectionOrder":32,"title":"Point-in-Time Recovery","order":3,"contentType":"LEARNING","contentSlug":"point-in-time-recovery","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_2896f0c2662ef22dda06c19930c18a0c","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 28: Backup Strategies","sectionOrder":32,"title":"Backup Verification","order":4,"contentType":"LEARNING","contentSlug":"backup-verification","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_785d1a9decace0287d49d31d02f81657","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 28: Backup Strategies","sectionOrder":32,"title":"Disaster Recovery","order":5,"contentType":"LEARNING","contentSlug":"dbms-disaster-recovery","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_9c56329e3985eb24edca766687be0d2c","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 28: Backup Strategies","sectionOrder":32,"title":"Backup Best Practices","order":6,"contentType":"LEARNING","contentSlug":"backup-best-practices","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_c0d2acf6ea0735681bfb3e61d113f039","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 29: Storage Systems","sectionOrder":33,"title":"Storage Hierarchy in Database Systems","order":1,"contentType":"LEARNING","contentSlug":"storage-hierarchy","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_13e79aafebbc0c54cb036965a4614072","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 29: Storage Systems","sectionOrder":33,"title":"Disk Structure: Understanding Physical Storage","order":2,"contentType":"LEARNING","contentSlug":"dbms-disk-structure","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_b054c955363a96b4be54fb0fbef1113c","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 29: Storage Systems","sectionOrder":33,"title":"RAID Storage Technology","order":3,"contentType":"LEARNING","contentSlug":"raid-levels","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_6a58f4fd32d26b1cb5494738c50171d8","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 29: Storage Systems","sectionOrder":33,"title":"Buffer Management in Database Systems","order":4,"contentType":"LEARNING","contentSlug":"buffer-management","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_00fcfee3337827396fb3cff09af580f5","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 29: Storage Systems","sectionOrder":33,"title":"File Organization Methods","order":5,"contentType":"LEARNING","contentSlug":"file-organization","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_98395d9bb75b18bed6659b7deb6de098","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 29: Storage Systems","sectionOrder":33,"title":"Page Layout and Organization","order":6,"contentType":"LEARNING","contentSlug":"page-layout","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_91910f3a093321c8c1373b096b15fb63","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 30: Indexing Fundamentals","sectionOrder":34,"title":"Understanding Database Indexes","order":1,"contentType":"LEARNING","contentSlug":"index-concept","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_7871d978927712e999022d220e2c0a5c","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 30: Indexing Fundamentals","sectionOrder":34,"title":"Index Types: Primary, Secondary, Unique, and Composite Indexes","order":2,"contentType":"LEARNING","contentSlug":"index-types","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_ca46897b0c2b1f861453c1394a80bf7c","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 30: Indexing Fundamentals","sectionOrder":34,"title":"Dense vs Sparse Indexes","order":3,"contentType":"LEARNING","contentSlug":"dense-vs-sparse-index","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_85efd098d9181b4370d1029ecffa7c5f","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 30: Indexing Fundamentals","sectionOrder":34,"title":"Clustered vs Non-Clustered Indexes","order":4,"contentType":"LEARNING","contentSlug":"clustered-vs-non-clustered","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_64678811e4cfd809550ddef3258d5dcc","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 30: Indexing Fundamentals","sectionOrder":34,"title":"Multi-Level Index Structures","order":5,"contentType":"LEARNING","contentSlug":"multi-level-index","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_44dd80d43dc75cd5ed3721a9ae1ba9cb","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 30: Indexing Fundamentals","sectionOrder":34,"title":"Index Terminology: Essential Concepts and Metrics","order":6,"contentType":"LEARNING","contentSlug":"index-terminology","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_36db75c001e398f1630262e955fbbc4e","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 31: B Trees And B Plus Trees","sectionOrder":35,"title":"B-Tree Concept","order":1,"contentType":"LEARNING","contentSlug":"b-tree-concept","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_a763a05bda69ce003d2ad1eea873bcff","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 31: B Trees And B Plus Trees","sectionOrder":35,"title":"B-Tree Operations: Search, Insert, and Delete","order":2,"contentType":"LEARNING","contentSlug":"b-tree-operations","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_cdc11873b31b73131e3759d3c001bd03","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 31: B Trees And B Plus Trees","sectionOrder":35,"title":"B+-Tree Structure","order":3,"contentType":"LEARNING","contentSlug":"b-plus-tree-structure","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_eff119a836a5464dc36b45df3ebf9768","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 31: B Trees And B Plus Trees","sectionOrder":35,"title":"B+-Tree Operations","order":4,"contentType":"LEARNING","contentSlug":"b-plus-tree-operations","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_24655ce096a2e7b610abc4f9be4c9e13","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 31: B Trees And B Plus Trees","sectionOrder":35,"title":"B+-Tree Performance Analysis","order":5,"contentType":"LEARNING","contentSlug":"b-plus-tree-performance","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_623da23116f803eb28e711ea5809a5f6","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 31: B Trees B Plus Trees","sectionOrder":36,"title":"B+-Tree Variants and Optimizations","order":1,"contentType":"LEARNING","contentSlug":"b-plus-tree-variants","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_7258f20ee6340876be2265cb7cea584e","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 32: Hash Indexing","sectionOrder":37,"title":"Hash Index Concept","order":1,"contentType":"LEARNING","contentSlug":"hash-index-concept","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_af514e3ca687cd0ad0473c7294f8bc4e","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 32: Hash Indexing","sectionOrder":37,"title":"Static Hashing: Fundamentals and Implementation","order":2,"contentType":"LEARNING","contentSlug":"static-hashing","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_a74a994eb343b1ace77ff589a585ffa6","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 32: Hash Indexing","sectionOrder":37,"title":"Dynamic Hashing","order":3,"contentType":"LEARNING","contentSlug":"dynamic-hashing","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_0cff2248f7b6e0907a2ff579fea0cdf3","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 32: Hash Indexing","sectionOrder":37,"title":"Extendible Hashing","order":4,"contentType":"LEARNING","contentSlug":"extendible-hashing","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_f28e2b441fa66ca81ba8ef00e1c72de1","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 32: Hash Indexing","sectionOrder":37,"title":"Linear Hashing","order":5,"contentType":"LEARNING","contentSlug":"linear-hashing","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_410bdd170811fc3f0c85515c6a784c82","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 32: Hash Indexing","sectionOrder":37,"title":"Hash vs Tree Indexes: Comparative Analysis","order":6,"contentType":"LEARNING","contentSlug":"hash-vs-tree-indexes","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_0d34912c7a32a40cac1dc689fe60b859","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 33: Advanced Index Structures","sectionOrder":38,"title":"Bitmap Indexes: Specialized Indexing for Analytical Workloads","order":1,"contentType":"LEARNING","contentSlug":"bitmap-indexes","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_55188b38b732db39a2823ba02987bd42","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 33: Advanced Index Structures","sectionOrder":38,"title":"Spatial Indexes: Indexing Multi-Dimensional Data","order":2,"contentType":"LEARNING","contentSlug":"spatial-indexes","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_a706da66a27dc864c48d821c4248eff0","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 33: Advanced Index Structures","sectionOrder":38,"title":"Full-Text Indexing and Search","order":3,"contentType":"LEARNING","contentSlug":"full-text-indexes","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_61a531797753e80f4151be557c62afca","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 33: Advanced Index Structures","sectionOrder":38,"title":"Covering Indexes: Optimizing Query Performance Through Index Design","order":4,"contentType":"LEARNING","contentSlug":"covering-indexes","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_2030f73d6a74487c81b5492f697a9b0d","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 33: Advanced Index Structures","sectionOrder":38,"title":"Multi-Column Indexes","order":5,"contentType":"LEARNING","contentSlug":"multi-column-indexes","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_b400c40bf057510b3a7e910ed8b234b9","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 33: Advanced Index Structures","sectionOrder":38,"title":"Index Selection: The Art and Science of Strategic Indexing","order":6,"contentType":"LEARNING","contentSlug":"index-selection","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_4f144ba7c05bce8716d9d100de9aad71","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 34: Query Processing Overview","sectionOrder":39,"title":"Query Processing Steps","order":1,"contentType":"LEARNING","contentSlug":"query-processing-steps","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_14480eccbf8da0b5f7d2f4fa21ca0bad","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 34: Query Processing Overview","sectionOrder":39,"title":"Parsing and Validation","order":2,"contentType":"LEARNING","contentSlug":"parsing-and-validation","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_5e44038bf32567d2d0c86374f1eb86f3","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 34: Query Processing Overview","sectionOrder":39,"title":"Query Representation","order":3,"contentType":"LEARNING","contentSlug":"query-representation","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_f2be773c5e1aba13f0696f773cee9fbe","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 34: Query Processing Overview","sectionOrder":39,"title":"Cost Models in Query Processing","order":4,"contentType":"LEARNING","contentSlug":"cost-models","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_0f43bc9149cb9bf97e871c09429bd46a","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 34: Query Processing Overview","sectionOrder":39,"title":"Query Execution Engine","order":5,"contentType":"LEARNING","contentSlug":"query-execution-engine","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_334ae3860197ce043bd7f55891e096b1","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 34: Query Processing Overview","sectionOrder":39,"title":"Query Compilation","order":6,"contentType":"LEARNING","contentSlug":"query-compilation","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_b44c45b808a8c9d2c21f5021104f39d6","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 35: Query Optimization","sectionOrder":40,"title":"Optimization Overview","order":1,"contentType":"LEARNING","contentSlug":"optimization-overview","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_2dbbcd75c066a0725c9c68f56d3ec6d5","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 35: Query Optimization","sectionOrder":40,"title":"Equivalence Rules","order":2,"contentType":"LEARNING","contentSlug":"equivalence-rules","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_480ca362a9170e8b83380273f3e1ba1b","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 35: Query Optimization","sectionOrder":40,"title":"Heuristic Optimization","order":3,"contentType":"LEARNING","contentSlug":"heuristic-optimization","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_df230d0e1bff2e9c6d15f9ac542a906c","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 35: Query Optimization","sectionOrder":40,"title":"Cost-Based Query Optimization","order":4,"contentType":"LEARNING","contentSlug":"cost-based-optimization","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_75eaf9f4128a54e4e07ff6f8620085f0","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 35: Query Optimization","sectionOrder":40,"title":"Join Ordering in Query Optimization","order":5,"contentType":"LEARNING","contentSlug":"join-ordering","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_fc9bcbcc6e9a242d4b0b8757b9723b41","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 35: Query Optimization","sectionOrder":40,"title":"Statistics and Histograms","order":6,"contentType":"LEARNING","contentSlug":"statistics-and-histograms","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.033Z"},{"id":"seed_d87bf23078e6a2c94a965ecbb4fdac35","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 36: Physical Operators","sectionOrder":41,"title":"Access Methods: How Databases Retrieve Data","order":1,"contentType":"LEARNING","contentSlug":"dbms-access-methods","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z"},{"id":"seed_82bb13169025d7aaee41feb19c19ba12","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 36: Physical Operators","sectionOrder":41,"title":"Selection Implementation","order":2,"contentType":"LEARNING","contentSlug":"selection-implementation","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z"},{"id":"seed_de31a51808ae0ec83a56cb8c369c26ce","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 36: Physical Operators","sectionOrder":41,"title":"Nested Loop Join Algorithms","order":3,"contentType":"LEARNING","contentSlug":"nested-loop-join","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z"},{"id":"seed_e1687e32e402be33f6d067a96072e7a7","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 36: Physical Operators","sectionOrder":41,"title":"Sort-Merge Join: Algorithm, Implementation, and Optimization","order":4,"contentType":"LEARNING","contentSlug":"sort-merge-join","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z"},{"id":"seed_683e5ef68ccb55d68c0da41ec975139c","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 36: Physical Operators","sectionOrder":41,"title":"Hash Join Algorithms","order":5,"contentType":"LEARNING","contentSlug":"hash-join","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z"},{"id":"seed_6dacb5dfa810193703bbca93d94ec087","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 36: Physical Operators","sectionOrder":41,"title":"Other Physical Operators","order":6,"contentType":"LEARNING","contentSlug":"other-operators","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z"},{"id":"seed_4a69d3925be9088886a8e7e5ded1f695","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 37: Distributed Databases","sectionOrder":42,"title":"Distributed Database Concepts","order":1,"contentType":"LEARNING","contentSlug":"distributed-database-concepts","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z"},{"id":"seed_f651210e8b149473b53d44bf5ca67ebc","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 37: Distributed Databases","sectionOrder":42,"title":"Data Fragmentation in Distributed Databases","order":2,"contentType":"LEARNING","contentSlug":"distributed-db-fragmentation","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z"},{"id":"seed_d7406828cc837ccd9e193c11363c455e","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 37: Distributed Databases","sectionOrder":42,"title":"Replication in Distributed Databases","order":3,"contentType":"LEARNING","contentSlug":"replication","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z"},{"id":"seed_9becad9b32f1b9fffa0d74bfcb5b4d6d","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 37: Distributed Databases","sectionOrder":42,"title":"Distributed Transactions","order":4,"contentType":"LEARNING","contentSlug":"distributed-transactions","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z"},{"id":"seed_e115c0d4aa683fd02d413344fece792a","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 37: Distributed Databases","sectionOrder":42,"title":"CAP Theorem: Fundamental Trade-offs in Distributed Systems","order":5,"contentType":"LEARNING","contentSlug":"dbms-cap-theorem","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z"},{"id":"seed_95c6f3bd417aa4812e60dcec724e9384","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 37: Distributed Databases","sectionOrder":42,"title":"Sharding: Horizontal Scaling for Distributed Databases","order":6,"contentType":"LEARNING","contentSlug":"sharding","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z"},{"id":"seed_244d873e818ab6eae3e1e7458fe4bce1","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 38: Nosql Databases","sectionOrder":43,"title":"NoSQL Overview: Understanding the NoSQL Paradigm","order":1,"contentType":"LEARNING","contentSlug":"nosql-overview","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z"},{"id":"seed_3f92ac8c90abefca8aa28487f6d14f9a","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 38: Nosql Databases","sectionOrder":43,"title":"Key-Value Stores","order":2,"contentType":"LEARNING","contentSlug":"dbms-key-value-stores","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z"},{"id":"seed_176d4144b4bd09e0a9a21b6af687ecea","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 38: Nosql Databases","sectionOrder":43,"title":"Document Databases: The Schema-Flexible NoSQL Paradigm","order":3,"contentType":"LEARNING","contentSlug":"document-databases","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z"},{"id":"seed_5b16c8fd5f25c60a00b8acb4fb869946","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 38: Nosql Databases","sectionOrder":43,"title":"Column-Family Databases","order":4,"contentType":"LEARNING","contentSlug":"column-family-databases","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z"},{"id":"seed_4b595d340e3d2df378d555f50220cae5","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 38: Nosql Databases","sectionOrder":43,"title":"Graph Databases: Modeling Connected Data","order":5,"contentType":"LEARNING","contentSlug":"dbms-graph-databases","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z"},{"id":"seed_c0dfb40ee32114fa1234f8400645aed7","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 38: Nosql Databases","sectionOrder":43,"title":"NoSQL vs SQL: A Comprehensive Comparison","order":6,"contentType":"LEARNING","contentSlug":"nosql-vs-sql","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z"},{"id":"seed_1c38b923c1ce1b4e483828b075d3df10","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 39: Data Warehousing","sectionOrder":44,"title":"OLTP vs OLAP: Understanding Transaction and Analytical Processing","order":1,"contentType":"LEARNING","contentSlug":"oltp-vs-olap","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z"},{"id":"seed_72717504d91c19038a59cad169c8f32c","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 39: Data Warehousing","sectionOrder":44,"title":"Data Warehouse Concepts","order":2,"contentType":"LEARNING","contentSlug":"data-warehouse-concepts","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z"},{"id":"seed_e9d2b90d4e656b3a3544ca55d969b191","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 39: Data Warehousing","sectionOrder":44,"title":"Star Schema: The Foundation of Dimensional Modeling","order":3,"contentType":"LEARNING","contentSlug":"star-schema","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z"},{"id":"seed_14147143970ca84376e317df6347c6c6","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 39: Data Warehousing","sectionOrder":44,"title":"Snowflake Schema Design","order":4,"contentType":"LEARNING","contentSlug":"snowflake-schema","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z"},{"id":"seed_04ec22ebdc6cc4b0c3b1d72b1ba1eeb7","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 39: Data Warehousing","sectionOrder":44,"title":"ETL Process: Extract, Transform, Load","order":5,"contentType":"LEARNING","contentSlug":"etl-process","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z"},{"id":"seed_777edc99ff3026df1a07f2560818c68d","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 39: Data Warehousing","sectionOrder":44,"title":"OLAP Operations: Multidimensional Data Analysis","order":6,"contentType":"LEARNING","contentSlug":"olap-operations","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z"},{"id":"seed_2d776431f2e6f30a354c9fa99266559c","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 39: Data Warehousing","sectionOrder":44,"title":"Bike Fleet Last Usage Timestamp","order":7,"contentType":"PROBLEM","contentSlug":"bike-fleet-last-usage-timestamp","description":null,"estimatedMins":20,"createdAt":"2026-10-17T16:02:58.973Z","updatedAt":"2026-10-17T16:28:31.633Z"},{"id":"seed_c6695e9d34188c424b0a1f6133738f9b","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 39: Data Warehousing","sectionOrder":44,"title":"Buyer Yearly Order Volume Report","order":8,"contentType":"PROBLEM","contentSlug":"buyer-yearly-order-volume-report","description":null,"estimatedMins":20,"createdAt":"2026-10-17T16:02:58.973Z","updatedAt":"2026-10-17T16:28:31.633Z"},{"id":"seed_d20892b9806a9ea2908edd7b82e184b1","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 39: Data Warehousing","sectionOrder":44,"title":"Calendar Date Long-Format Renderer","order":9,"contentType":"PROBLEM","contentSlug":"calendar-date-long-format-renderer","description":null,"estimatedMins":20,"createdAt":"2026-10-17T16:02:58.973Z","updatedAt":"2026-10-17T16:28:31.633Z"},{"id":"seed_5b9668b36b8e3938f2e2a9ed5a03c718","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 39: Data Warehousing","sectionOrder":44,"title":"Country November Climate Banding","order":10,"contentType":"PROBLEM","contentSlug":"country-november-climate-banding","description":null,"estimatedMins":20,"createdAt":"2026-10-17T16:02:58.973Z","updatedAt":"2026-10-17T16:28:31.633Z"},{"id":"seed_03ad568c7219487ed3a36ef92de99f11","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 39: Data Warehousing","sectionOrder":44,"title":"Implement grouped research-window reporting with Spark","order":11,"contentType":"REPO","contentSlug":"research-rollups-window-export","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.973Z","updatedAt":"2026-10-17T16:28:31.633Z"},{"id":"seed_42ebeb2b1d437c6a940345137e32d422","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 39: Data Warehousing","sectionOrder":44,"title":"Aggregate event counts and subject diversity in separate columns","order":12,"contentType":"CODE_REVIEW","contentSlug":"research-rollups-review-window-export","description":null,"estimatedMins":35,"createdAt":"2026-10-17T16:02:58.973Z","updatedAt":"2026-10-17T16:28:31.633Z"},{"id":"seed_e9c1831e2dc6950a2c15cb981fb24d72","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 40: Modern Database Topics","sectionOrder":45,"title":"NewSQL Databases","order":1,"contentType":"LEARNING","contentSlug":"newsql-databases","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z"},{"id":"seed_4c9ff465d42fedeb35e355a412172b03","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 40: Modern Database Topics","sectionOrder":45,"title":"In-Memory Databases","order":2,"contentType":"LEARNING","contentSlug":"in-memory-databases","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z"},{"id":"seed_ef78fc1bf98a61d70d3d0f71f19352ac","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 40: Modern Database Topics","sectionOrder":45,"title":"Time-Series Databases","order":3,"contentType":"LEARNING","contentSlug":"dbms-time-series-databases","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z"},{"id":"seed_f028556f822078dd1cde68854ee3d763","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 40: Modern Database Topics","sectionOrder":45,"title":"Cloud Databases","order":4,"contentType":"LEARNING","contentSlug":"cloud-databases","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z"},{"id":"seed_a3cec743d612732cc44cf926be0c11f0","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 40: Modern Database Topics","sectionOrder":45,"title":"Multi-Model Databases: Unified Data Management","order":5,"contentType":"LEARNING","contentSlug":"multi-model-databases","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z"},{"id":"seed_eb160a45537cedcbfa3e0b80fa01e0aa","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 40: Modern Database Topics","sectionOrder":45,"title":"Database Trends: The Future of Data Management","order":6,"contentType":"LEARNING","contentSlug":"database-trends","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z"},{"id":"seed_9e24b5244bca7f5063ec7c5eac109cfb","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 41: Database Administration","sectionOrder":46,"title":"Database Administrator Responsibilities","order":1,"contentType":"LEARNING","contentSlug":"dba-responsibilities","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z"},{"id":"seed_1a245bb8f24f79dabb1d34c364a422d7","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 41: Database Administration","sectionOrder":46,"title":"Performance Tuning","order":2,"contentType":"LEARNING","contentSlug":"performance-tuning","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z"},{"id":"seed_fdd31fa837dfa6a632325c04f0858e47","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 41: Database Administration","sectionOrder":46,"title":"Database Security","order":3,"contentType":"LEARNING","contentSlug":"database-security","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z"},{"id":"seed_1eace06d7095de5b1742db78bfc49c2c","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 41: Database Administration","sectionOrder":46,"title":"Monitoring and Alerting","order":4,"contentType":"LEARNING","contentSlug":"monitoring-and-alerting","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z"},{"id":"seed_19605b05c2e70619a68c444a0fb72d9a","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 41: Database Administration","sectionOrder":46,"title":"Capacity Planning","order":5,"contentType":"LEARNING","contentSlug":"capacity-planning","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z"},{"id":"seed_d6c098cbe7277af46d59c21c4081029e","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 41: Database Administration","sectionOrder":46,"title":"Database Maintenance Tasks","order":6,"contentType":"LEARNING","contentSlug":"maintenance-tasks","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z"},{"id":"seed_02b784fafc5e4dd478e8b6949f7ebb85","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 42: Dbms Design And Interview","sectionOrder":47,"title":"SQL Query Writing for Interviews","order":1,"contentType":"LEARNING","contentSlug":"sql-query-writing","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z"},{"id":"seed_320319364328331c499fe0bd1fd41c16","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 42: Dbms Design And Interview","sectionOrder":47,"title":"Mastering DBMS Interview Strategies","order":2,"contentType":"LEARNING","contentSlug":"interview-strategies","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z"},{"id":"seed_a09a3615951859af18b58527a1a4b74d","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 42: Dbms Design Interview","sectionOrder":48,"title":"Schema Design Problems","order":1,"contentType":"LEARNING","contentSlug":"schema-design-problems","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z"},{"id":"seed_708187ea27667f7b382895d78992598e","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 42: Dbms Design Interview","sectionOrder":48,"title":"Normalization Problems: Mastering Database Design Challenges","order":2,"contentType":"LEARNING","contentSlug":"normalization-problems","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z"},{"id":"seed_11d7d154afae55cdc893d0fa30b6e4ac","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 42: Dbms Design Interview","sectionOrder":48,"title":"Solving Transaction Problems in DBMS Interviews","order":3,"contentType":"LEARNING","contentSlug":"transaction-problems","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z"},{"id":"seed_f2f52f697f86fbfd164f07e1d671daec","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 42: Dbms Design Interview","sectionOrder":48,"title":"System Design Questions for Database Systems","order":4,"contentType":"LEARNING","contentSlug":"system-design-questions","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z"}],"sections":[{"title":"Chapter 1: Introduction To Databases","order":1,"modules":["$45:props:state:queries:0:state:data:json:modules:0","$45:props:state:queries:0:state:data:json:modules:1","$45:props:state:queries:0:state:data:json:modules:2","$45:props:state:queries:0:state:data:json:modules:3","$45:props:state:queries:0:state:data:json:modules:4","$45:props:state:queries:0:state:data:json:modules:5"]},{"title":"Chapter 2: Database System Architecture","order":2,"modules":["$45:props:state:queries:0:state:data:json:modules:6","$45:props:state:queries:0:state:data:json:modules:7","$45:props:state:queries:0:state:data:json:modules:8","$45:props:state:queries:0:state:data:json:modules:9","$45:props:state:queries:0:state:data:json:modules:10","$45:props:state:queries:0:state:data:json:modules:11"]},{"title":"Chapter 3: Data Models","order":3,"modules":["$45:props:state:queries:0:state:data:json:modules:12","$45:props:state:queries:0:state:data:json:modules:13","$45:props:state:queries:0:state:data:json:modules:14","$45:props:state:queries:0:state:data:json:modules:15","$45:props:state:queries:0:state:data:json:modules:16","$45:props:state:queries:0:state:data:json:modules:17"]},{"title":"Chapter 4: Database Design Process","order":4,"modules":["$45:props:state:queries:0:state:data:json:modules:18","$45:props:state:queries:0:state:data:json:modules:19","$45:props:state:queries:0:state:data:json:modules:20","$45:props:state:queries:0:state:data:json:modules:21","$45:props:state:queries:0:state:data:json:modules:22","$45:props:state:queries:0:state:data:json:modules:23"]},{"title":"Chapter 5: Relational Model Fundamentals","order":5,"modules":["$45:props:state:queries:0:state:data:json:modules:24","$45:props:state:queries:0:state:data:json:modules:25","$45:props:state:queries:0:state:data:json:modules:26","$45:props:state:queries:0:state:data:json:modules:27","$45:props:state:queries:0:state:data:json:modules:28","$45:props:state:queries:0:state:data:json:modules:29"]},{"title":"Chapter 6: Relational Algebra","order":6,"modules":["$45:props:state:queries:0:state:data:json:modules:30","$45:props:state:queries:0:state:data:json:modules:31","$45:props:state:queries:0:state:data:json:modules:32","$45:props:state:queries:0:state:data:json:modules:33","$45:props:state:queries:0:state:data:json:modules:34","$45:props:state:queries:0:state:data:json:modules:35"]},{"title":"Chapter 7: Relational Calculus","order":7,"modules":["$45:props:state:queries:0:state:data:json:modules:36","$45:props:state:queries:0:state:data:json:modules:37","$45:props:state:queries:0:state:data:json:modules:38","$45:props:state:queries:0:state:data:json:modules:39","$45:props:state:queries:0:state:data:json:modules:40","$45:props:state:queries:0:state:data:json:modules:41"]},{"title":"Chapter 8: Er To Relational Mapping","order":8,"modules":["$45:props:state:queries:0:state:data:json:modules:42","$45:props:state:queries:0:state:data:json:modules:43","$45:props:state:queries:0:state:data:json:modules:44","$45:props:state:queries:0:state:data:json:modules:45","$45:props:state:queries:0:state:data:json:modules:46","$45:props:state:queries:0:state:data:json:modules:47"]},{"title":"Chapter 9: Er Model Fundamentals","order":9,"modules":["$45:props:state:queries:0:state:data:json:modules:48","$45:props:state:queries:0:state:data:json:modules:49","$45:props:state:queries:0:state:data:json:modules:50","$45:props:state:queries:0:state:data:json:modules:51","$45:props:state:queries:0:state:data:json:modules:52","$45:props:state:queries:0:state:data:json:modules:53"]},{"title":"Chapter 10: Advanced Er Concepts","order":10,"modules":["$45:props:state:queries:0:state:data:json:modules:54","$45:props:state:queries:0:state:data:json:modules:55","$45:props:state:queries:0:state:data:json:modules:56","$45:props:state:queries:0:state:data:json:modules:57","$45:props:state:queries:0:state:data:json:modules:58","$45:props:state:queries:0:state:data:json:modules:59"]},{"title":"Chapter 11: Enhanced Er","order":11,"modules":["$45:props:state:queries:0:state:data:json:modules:60","$45:props:state:queries:0:state:data:json:modules:61"]},{"title":"Chapter 11: Enhanced Er Eer","order":12,"modules":["$45:props:state:queries:0:state:data:json:modules:62","$45:props:state:queries:0:state:data:json:modules:63","$45:props:state:queries:0:state:data:json:modules:64","$45:props:state:queries:0:state:data:json:modules:65"]},{"title":"Chapter 12: Sql Fundamentals","order":13,"modules":["$45:props:state:queries:0:state:data:json:modules:66","$45:props:state:queries:0:state:data:json:modules:67","$45:props:state:queries:0:state:data:json:modules:68","$45:props:state:queries:0:state:data:json:modules:69","$45:props:state:queries:0:state:data:json:modules:70","$45:props:state:queries:0:state:data:json:modules:71"]},{"title":"Chapter 13: Sql Queries","order":14,"modules":["$45:props:state:queries:0:state:data:json:modules:72","$45:props:state:queries:0:state:data:json:modules:73","$45:props:state:queries:0:state:data:json:modules:74","$45:props:state:queries:0:state:data:json:modules:75","$45:props:state:queries:0:state:data:json:modules:76","$45:props:state:queries:0:state:data:json:modules:77","$45:props:state:queries:0:state:data:json:modules:78","$45:props:state:queries:0:state:data:json:modules:79","$45:props:state:queries:0:state:data:json:modules:80","$45:props:state:queries:0:state:data:json:modules:81"]},{"title":"Chapter 14: Sql Joins And Subqueries","order":15,"modules":["$45:props:state:queries:0:state:data:json:modules:82","$45:props:state:queries:0:state:data:json:modules:83","$45:props:state:queries:0:state:data:json:modules:84","$45:props:state:queries:0:state:data:json:modules:85","$45:props:state:queries:0:state:data:json:modules:86","$45:props:state:queries:0:state:data:json:modules:87","$45:props:state:queries:0:state:data:json:modules:88","$45:props:state:queries:0:state:data:json:modules:89","$45:props:state:queries:0:state:data:json:modules:90","$45:props:state:queries:0:state:data:json:modules:91"]},{"title":"Chapter 15: Sql Aggregation And Grouping","order":16,"modules":["$45:props:state:queries:0:state:data:json:modules:92","$45:props:state:queries:0:state:data:json:modules:93","$45:props:state:queries:0:state:data:json:modules:94","$45:props:state:queries:0:state:data:json:modules:95","$45:props:state:queries:0:state:data:json:modules:96","$45:props:state:queries:0:state:data:json:modules:97","$45:props:state:queries:0:state:data:json:modules:98","$45:props:state:queries:0:state:data:json:modules:99","$45:props:state:queries:0:state:data:json:modules:100","$45:props:state:queries:0:state:data:json:modules:101"]},{"title":"Chapter 16: Sql Advanced Features","order":17,"modules":["$45:props:state:queries:0:state:data:json:modules:102","$45:props:state:queries:0:state:data:json:modules:103","$45:props:state:queries:0:state:data:json:modules:104","$45:props:state:queries:0:state:data:json:modules:105","$45:props:state:queries:0:state:data:json:modules:106","$45:props:state:queries:0:state:data:json:modules:107","$45:props:state:queries:0:state:data:json:modules:108","$45:props:state:queries:0:state:data:json:modules:109","$45:props:state:queries:0:state:data:json:modules:110","$45:props:state:queries:0:state:data:json:modules:111"]},{"title":"Chapter 17: Sql Performance","order":18,"modules":["$45:props:state:queries:0:state:data:json:modules:112","$45:props:state:queries:0:state:data:json:modules:113","$45:props:state:queries:0:state:data:json:modules:114","$45:props:state:queries:0:state:data:json:modules:115","$45:props:state:queries:0:state:data:json:modules:116","$45:props:state:queries:0:state:data:json:modules:117"]},{"title":"Chapter 18: Functional Dependencies","order":19,"modules":["$45:props:state:queries:0:state:data:json:modules:118","$45:props:state:queries:0:state:data:json:modules:119","$45:props:state:queries:0:state:data:json:modules:120","$45:props:state:queries:0:state:data:json:modules:121","$45:props:state:queries:0:state:data:json:modules:122","$45:props:state:queries:0:state:data:json:modules:123"]},{"title":"Chapter 19: Normal Forms","order":20,"modules":["$45:props:state:queries:0:state:data:json:modules:124","$45:props:state:queries:0:state:data:json:modules:125"]},{"title":"Chapter 19: Normal Forms 1nf 3nf","order":21,"modules":["$45:props:state:queries:0:state:data:json:modules:126","$45:props:state:queries:0:state:data:json:modules:127","$45:props:state:queries:0:state:data:json:modules:128","$45:props:state:queries:0:state:data:json:modules:129"]},{"title":"Chapter 20: Advanced Normal Forms","order":22,"modules":["$45:props:state:queries:0:state:data:json:modules:130","$45:props:state:queries:0:state:data:json:modules:131","$45:props:state:queries:0:state:data:json:modules:132","$45:props:state:queries:0:state:data:json:modules:133","$45:props:state:queries:0:state:data:json:modules:134","$45:props:state:queries:0:state:data:json:modules:135"]},{"title":"Chapter 21: Denormalization","order":23,"modules":["$45:props:state:queries:0:state:data:json:modules:136","$45:props:state:queries:0:state:data:json:modules:137","$45:props:state:queries:0:state:data:json:modules:138","$45:props:state:queries:0:state:data:json:modules:139","$45:props:state:queries:0:state:data:json:modules:140","$45:props:state:queries:0:state:data:json:modules:141"]},{"title":"Chapter 22: Transaction Concepts","order":24,"modules":["$45:props:state:queries:0:state:data:json:modules:142","$45:props:state:queries:0:state:data:json:modules:143","$45:props:state:queries:0:state:data:json:modules:144","$45:props:state:queries:0:state:data:json:modules:145","$45:props:state:queries:0:state:data:json:modules:146","$45:props:state:queries:0:state:data:json:modules:147","$45:props:state:queries:0:state:data:json:modules:148","$45:props:state:queries:0:state:data:json:modules:149"]},{"title":"Chapter 23: Concurrency Problems","order":25,"modules":["$45:props:state:queries:0:state:data:json:modules:150","$45:props:state:queries:0:state:data:json:modules:151","$45:props:state:queries:0:state:data:json:modules:152","$45:props:state:queries:0:state:data:json:modules:153","$45:props:state:queries:0:state:data:json:modules:154","$45:props:state:queries:0:state:data:json:modules:155"]},{"title":"Chapter 24: Locking Protocols","order":26,"modules":["$45:props:state:queries:0:state:data:json:modules:156","$45:props:state:queries:0:state:data:json:modules:157","$45:props:state:queries:0:state:data:json:modules:158","$45:props:state:queries:0:state:data:json:modules:159","$45:props:state:queries:0:state:data:json:modules:160","$45:props:state:queries:0:state:data:json:modules:161"]},{"title":"Chapter 25: Timestamp And Mvcc","order":27,"modules":["$45:props:state:queries:0:state:data:json:modules:162","$45:props:state:queries:0:state:data:json:modules:163","$45:props:state:queries:0:state:data:json:modules:164","$45:props:state:queries:0:state:data:json:modules:165"]},{"title":"Chapter 25: Timestamp Mvcc","order":28,"modules":["$45:props:state:queries:0:state:data:json:modules:166","$45:props:state:queries:0:state:data:json:modules:167"]},{"title":"Chapter 26: Failure And Recovery Concepts","order":29,"modules":["$45:props:state:queries:0:state:data:json:modules:168","$45:props:state:queries:0:state:data:json:modules:169"]},{"title":"Chapter 26: Failure Recovery Concepts","order":30,"modules":["$45:props:state:queries:0:state:data:json:modules:170","$45:props:state:queries:0:state:data:json:modules:171","$45:props:state:queries:0:state:data:json:modules:172","$45:props:state:queries:0:state:data:json:modules:173"]},{"title":"Chapter 27: Recovery Algorithms","order":31,"modules":["$45:props:state:queries:0:state:data:json:modules:174","$45:props:state:queries:0:state:data:json:modules:175","$45:props:state:queries:0:state:data:json:modules:176","$45:props:state:queries:0:state:data:json:modules:177","$45:props:state:queries:0:state:data:json:modules:178","$45:props:state:queries:0:state:data:json:modules:179","$45:props:state:queries:0:state:data:json:modules:180","$45:props:state:queries:0:state:data:json:modules:181"]},{"title":"Chapter 28: Backup Strategies","order":32,"modules":["$45:props:state:queries:0:state:data:json:modules:182","$45:props:state:queries:0:state:data:json:modules:183","$45:props:state:queries:0:state:data:json:modules:184","$45:props:state:queries:0:state:data:json:modules:185","$45:props:state:queries:0:state:data:json:modules:186","$45:props:state:queries:0:state:data:json:modules:187"]},{"title":"Chapter 29: Storage Systems","order":33,"modules":["$45:props:state:queries:0:state:data:json:modules:188","$45:props:state:queries:0:state:data:json:modules:189","$45:props:state:queries:0:state:data:json:modules:190","$45:props:state:queries:0:state:data:json:modules:191","$45:props:state:queries:0:state:data:json:modules:192","$45:props:state:queries:0:state:data:json:modules:193"]},{"title":"Chapter 30: Indexing Fundamentals","order":34,"modules":["$45:props:state:queries:0:state:data:json:modules:194","$45:props:state:queries:0:state:data:json:modules:195","$45:props:state:queries:0:state:data:json:modules:196","$45:props:state:queries:0:state:data:json:modules:197","$45:props:state:queries:0:state:data:json:modules:198","$45:props:state:queries:0:state:data:json:modules:199"]},{"title":"Chapter 31: B Trees And B Plus Trees","order":35,"modules":["$45:props:state:queries:0:state:data:json:modules:200","$45:props:state:queries:0:state:data:json:modules:201","$45:props:state:queries:0:state:data:json:modules:202","$45:props:state:queries:0:state:data:json:modules:203","$45:props:state:queries:0:state:data:json:modules:204"]},{"title":"Chapter 31: B Trees B Plus Trees","order":36,"modules":["$45:props:state:queries:0:state:data:json:modules:205"]},{"title":"Chapter 32: Hash Indexing","order":37,"modules":["$45:props:state:queries:0:state:data:json:modules:206","$45:props:state:queries:0:state:data:json:modules:207","$45:props:state:queries:0:state:data:json:modules:208","$45:props:state:queries:0:state:data:json:modules:209","$45:props:state:queries:0:state:data:json:modules:210","$45:props:state:queries:0:state:data:json:modules:211"]},{"title":"Chapter 33: Advanced Index Structures","order":38,"modules":["$45:props:state:queries:0:state:data:json:modules:212","$45:props:state:queries:0:state:data:json:modules:213","$45:props:state:queries:0:state:data:json:modules:214","$45:props:state:queries:0:state:data:json:modules:215","$45:props:state:queries:0:state:data:json:modules:216","$45:props:state:queries:0:state:data:json:modules:217"]},{"title":"Chapter 34: Query Processing Overview","order":39,"modules":["$45:props:state:queries:0:state:data:json:modules:218","$45:props:state:queries:0:state:data:json:modules:219","$45:props:state:queries:0:state:data:json:modules:220","$45:props:state:queries:0:state:data:json:modules:221","$45:props:state:queries:0:state:data:json:modules:222","$45:props:state:queries:0:state:data:json:modules:223"]},{"title":"Chapter 35: Query Optimization","order":40,"modules":["$45:props:state:queries:0:state:data:json:modules:224","$45:props:state:queries:0:state:data:json:modules:225","$45:props:state:queries:0:state:data:json:modules:226","$45:props:state:queries:0:state:data:json:modules:227","$45:props:state:queries:0:state:data:json:modules:228","$45:props:state:queries:0:state:data:json:modules:229"]},{"title":"Chapter 36: Physical Operators","order":41,"modules":["$45:props:state:queries:0:state:data:json:modules:230","$45:props:state:queries:0:state:data:json:modules:231","$45:props:state:queries:0:state:data:json:modules:232","$45:props:state:queries:0:state:data:json:modules:233","$45:props:state:queries:0:state:data:json:modules:234","$45:props:state:queries:0:state:data:json:modules:235"]},{"title":"Chapter 37: Distributed Databases","order":42,"modules":["$45:props:state:queries:0:state:data:json:modules:236","$45:props:state:queries:0:state:data:json:modules:237","$45:props:state:queries:0:state:data:json:modules:238","$45:props:state:queries:0:state:data:json:modules:239","$45:props:state:queries:0:state:data:json:modules:240","$45:props:state:queries:0:state:data:json:modules:241"]},{"title":"Chapter 38: Nosql Databases","order":43,"modules":["$45:props:state:queries:0:state:data:json:modules:242","$45:props:state:queries:0:state:data:json:modules:243","$45:props:state:queries:0:state:data:json:modules:244","$45:props:state:queries:0:state:data:json:modules:245","$45:props:state:queries:0:state:data:json:modules:246","$45:props:state:queries:0:state:data:json:modules:247"]},{"title":"Chapter 39: Data Warehousing","order":44,"modules":["$45:props:state:queries:0:state:data:json:modules:248","$45:props:state:queries:0:state:data:json:modules:249","$45:props:state:queries:0:state:data:json:modules:250","$45:props:state:queries:0:state:data:json:modules:251","$45:props:state:queries:0:state:data:json:modules:252","$45:props:state:queries:0:state:data:json:modules:253","$45:props:state:queries:0:state:data:json:modules:254","$45:props:state:queries:0:state:data:json:modules:255","$45:props:state:queries:0:state:data:json:modules:256","$45:props:state:queries:0:state:data:json:modules:257","$45:props:state:queries:0:state:data:json:modules:258","$45:props:state:queries:0:state:data:json:modules:259"]},{"title":"Chapter 40: Modern Database Topics","order":45,"modules":["$45:props:state:queries:0:state:data:json:modules:260","$45:props:state:queries:0:state:data:json:modules:261","$45:props:state:queries:0:state:data:json:modules:262","$45:props:state:queries:0:state:data:json:modules:263","$45:props:state:queries:0:state:data:json:modules:264","$45:props:state:queries:0:state:data:json:modules:265"]},{"title":"Chapter 41: Database Administration","order":46,"modules":["$45:props:state:queries:0:state:data:json:modules:266","$45:props:state:queries:0:state:data:json:modules:267","$45:props:state:queries:0:state:data:json:modules:268","$45:props:state:queries:0:state:data:json:modules:269","$45:props:state:queries:0:state:data:json:modules:270","$45:props:state:queries:0:state:data:json:modules:271"]},{"title":"Chapter 42: Dbms Design And Interview","order":47,"modules":["$45:props:state:queries:0:state:data:json:modules:272","$45:props:state:queries:0:state:data:json:modules:273"]},{"title":"Chapter 42: Dbms Design Interview","order":48,"modules":["$45:props:state:queries:0:state:data:json:modules:274","$45:props:state:queries:0:state:data:json:modules:275","$45:props:state:queries:0:state:data:json:modules:276","$45:props:state:queries:0:state:data:json:modules:277"]}]},"meta":{"values":{"createdAt":["Date"],"updatedAt":["Date"],"modules.0.createdAt":["Date"],"modules.0.updatedAt":["Date"],"modules.1.createdAt":["Date"],"modules.1.updatedAt":["Date"],"modules.2.createdAt":["Date"],"modules.2.updatedAt":["Date"],"modules.3.createdAt":["Date"],"modules.3.updatedAt":["Date"],"modules.4.createdAt":["Date"],"modules.4.updatedAt":["Date"],"modules.5.createdAt":["Date"],"modules.5.updatedAt":["Date"],"modules.6.createdAt":["Date"],"modules.6.updatedAt":["Date"],"modules.7.createdAt":["Date"],"modules.7.updatedAt":["Date"],"modules.8.createdAt":["Date"],"modules.8.updatedAt":["Date"],"modules.9.createdAt":["Date"],"modules.9.updatedAt":["Date"],"modules.10.createdAt":["Date"],"modules.10.updatedAt":["Date"],"modules.11.createdAt":["Date"],"modules.11.updatedAt":["Date"],"modules.12.createdAt":["Date"],"modules.12.updatedAt":["Date"],"modules.13.createdAt":["Date"],"modules.13.updatedAt":["Date"],"modules.14.createdAt":["Date"],"modules.14.updatedAt":["Date"],"modules.15.createdAt":["Date"],"modules.15.updatedAt":["Date"],"modules.16.createdAt":["Date"],"modules.16.updatedAt":["Date"],"modules.17.createdAt":["Date"],"modules.17.updatedAt":["Date"],"modules.18.createdAt":["Date"],"modules.18.updatedAt":["Date"],"modules.19.createdAt":["Date"],"modules.19.updatedAt":["Date"],"modules.20.createdAt":["Date"],"modules.20.updatedAt":["Date"],"modules.21.createdAt":["Date"],"modules.21.updatedAt":["Date"],"modules.22.createdAt":["Date"],"modules.22.updatedAt":["Date"],"modules.23.createdAt":["Date"],"modules.23.updatedAt":["Date"],"modules.24.createdAt":["Date"],"modules.24.updatedAt":["Date"],"modules.25.createdAt":["Date"],"modules.25.updatedAt":["Date"],"modules.26.createdAt":["Date"],"modules.26.updatedAt":["Date"],"modules.27.createdAt":["Date"],"modules.27.updatedAt":["Date"],"modules.28.createdAt":["Date"],"modules.28.updatedAt":["Date"],"modules.29.createdAt":["Date"],"modules.29.updatedAt":["Date"],"modules.30.createdAt":["Date"],"modules.30.updatedAt":["Date"],"modules.31.createdAt":["Date"],"modules.31.updatedAt":["Date"],"modules.32.createdAt":["Date"],"modules.32.updatedAt":["Date"],"modules.33.createdAt":["Date"],"modules.33.updatedAt":["Date"],"modules.34.createdAt":["Date"],"modules.34.updatedAt":["Date"],"modules.35.createdAt":["Date"],"modules.35.updatedAt":["Date"],"modules.36.createdAt":["Date"],"modules.36.updatedAt":["Date"],"modules.37.createdAt":["Date"],"modules.37.updatedAt":["Date"],"modules.38.createdAt":["Date"],"modules.38.updatedAt":["Date"],"modules.39.createdAt":["Date"],"modules.39.updatedAt":["Date"],"modules.40.createdAt":["Date"],"modules.40.updatedAt":["Date"],"modules.41.createdAt":["Date"],"modules.41.updatedAt":["Date"],"modules.42.createdAt":["Date"],"modules.42.updatedAt":["Date"],"modules.43.createdAt":["Date"],"modules.43.updatedAt":["Date"],"modules.44.createdAt":["Date"],"modules.44.updatedAt":["Date"],"modules.45.createdAt":["Date"],"modules.45.updatedAt":["Date"],"modules.46.createdAt":["Date"],"modules.46.updatedAt":["Date"],"modules.47.createdAt":["Date"],"modules.47.updatedAt":["Date"],"modules.48.createdAt":["Date"],"modules.48.updatedAt":["Date"],"modules.49.createdAt":["Date"],"modules.49.updatedAt":["Date"],"modules.50.createdAt":["Date"],"modules.50.updatedAt":["Date"],"modules.51.createdAt":["Date"],"modules.51.updatedAt":["Date"],"modules.52.createdAt":["Date"],"modules.52.updatedAt":["Date"],"modules.53.createdAt":["Date"],"modules.53.updatedAt":["Date"],"modules.54.createdAt":["Date"],"modules.54.updatedAt":["Date"],"modules.55.createdAt":["Date"],"modules.55.updatedAt":["Date"],"modules.56.createdAt":["Date"],"modules.56.updatedAt":["Date"],"modules.57.createdAt":["Date"],"modules.57.updatedAt":["Date"],"modules.58.createdAt":["Date"],"modules.58.updatedAt":["Date"],"modules.59.createdAt":["Date"],"modules.59.updatedAt":["Date"],"modules.60.createdAt":["Date"],"modules.60.updatedAt":["Date"],"modules.61.createdAt":["Date"],"modules.61.updatedAt":["Date"],"modules.62.createdAt":["Date"],"modules.62.updatedAt":["Date"],"modules.63.createdAt":["Date"],"modules.63.updatedAt":["Date"],"modules.64.createdAt":["Date"],"modules.64.updatedAt":["Date"],"modules.65.createdAt":["Date"],"modules.65.updatedAt":["Date"],"modules.66.createdAt":["Date"],"modules.66.updatedAt":["Date"],"modules.67.createdAt":["Date"],"modules.67.updatedAt":["Date"],"modules.68.createdAt":["Date"],"modules.68.updatedAt":["Date"],"modules.69.createdAt":["Date"],"modules.69.updatedAt":["Date"],"modules.70.createdAt":["Date"],"modules.70.updatedAt":["Date"],"modules.71.createdAt":["Date"],"modules.71.updatedAt":["Date"],"modules.72.createdAt":["Date"],"modules.72.updatedAt":["Date"],"modules.73.createdAt":["Date"],"modules.73.updatedAt":["Date"],"modules.74.createdAt":["Date"],"modules.74.updatedAt":["Date"],"modules.75.createdAt":["Date"],"modules.75.updatedAt":["Date"],"modules.76.createdAt":["Date"],"modules.76.updatedAt":["Date"],"modules.77.createdAt":["Date"],"modules.77.updatedAt":["Date"],"modules.78.createdAt":["Date"],"modules.78.updatedAt":["Date"],"modules.79.createdAt":["Date"],"modules.79.updatedAt":["Date"],"modules.80.createdAt":["Date"],"modules.80.updatedAt":["Date"],"modules.81.createdAt":["Date"],"modules.81.updatedAt":["Date"],"modules.82.createdAt":["Date"],"modules.82.updatedAt":["Date"],"modules.83.createdAt":["Date"],"modules.83.updatedAt":["Date"],"modules.84.createdAt":["Date"],"modules.84.updatedAt":["Date"],"modules.85.createdAt":["Date"],"modules.85.updatedAt":["Date"],"modules.86.createdAt":["Date"],"modules.86.updatedAt":["Date"],"modules.87.createdAt":["Date"],"modules.87.updatedAt":["Date"],"modules.88.createdAt":["Date"],"modules.88.updatedAt":["Date"],"modules.89.createdAt":["Date"],"modules.89.updatedAt":["Date"],"modules.90.createdAt":["Date"],"modules.90.updatedAt":["Date"],"modules.91.createdAt":["Date"],"modules.91.updatedAt":["Date"],"modules.92.createdAt":["Date"],"modules.92.updatedAt":["Date"],"modules.93.createdAt":["Date"],"modules.93.updatedAt":["Date"],"modules.94.createdAt":["Date"],"modules.94.updatedAt":["Date"],"modules.95.createdAt":["Date"],"modules.95.updatedAt":["Date"],"modules.96.createdAt":["Date"],"modules.96.updatedAt":["Date"],"modules.97.createdAt":["Date"],"modules.97.updatedAt":["Date"],"modules.98.createdAt":["Date"],"modules.98.updatedAt":["Date"],"modules.99.createdAt":["Date"],"modules.99.updatedAt":["Date"],"modules.100.createdAt":["Date"],"modules.100.updatedAt":["Date"],"modules.101.createdAt":["Date"],"modules.101.updatedAt":["Date"],"modules.102.createdAt":["Date"],"modules.102.updatedAt":["Date"],"modules.103.createdAt":["Date"],"modules.103.updatedAt":["Date"],"modules.104.createdAt":["Date"],"modules.104.updatedAt":["Date"],"modules.105.createdAt":["Date"],"modules.105.updatedAt":["Date"],"modules.106.createdAt":["Date"],"modules.106.updatedAt":["Date"],"modules.107.createdAt":["Date"],"modules.107.updatedAt":["Date"],"modules.108.createdAt":["Date"],"modules.108.updatedAt":["Date"],"modules.109.createdAt":["Date"],"modules.109.updatedAt":["Date"],"modules.110.createdAt":["Date"],"modules.110.updatedAt":["Date"],"modules.111.createdAt":["Date"],"modules.111.updatedAt":["Date"],"modules.112.createdAt":["Date"],"modules.112.updatedAt":["Date"],"modules.113.createdAt":["Date"],"modules.113.updatedAt":["Date"],"modules.114.createdAt":["Date"],"modules.114.updatedAt":["Date"],"modules.115.createdAt":["Date"],"modules.115.updatedAt":["Date"],"modules.116.createdAt":["Date"],"modules.116.updatedAt":["Date"],"modules.117.createdAt":["Date"],"modules.117.updatedAt":["Date"],"modules.118.createdAt":["Date"],"modules.118.updatedAt":["Date"],"modules.119.createdAt":["Date"],"modules.119.updatedAt":["Date"],"modules.120.createdAt":["Date"],"modules.120.updatedAt":["Date"],"modules.121.createdAt":["Date"],"modules.121.updatedAt":["Date"],"modules.122.createdAt":["Date"],"modules.122.updatedAt":["Date"],"modules.123.createdAt":["Date"],"modules.123.updatedAt":["Date"],"modules.124.createdAt":["Date"],"modules.124.updatedAt":["Date"],"modules.125.createdAt":["Date"],"modules.125.updatedAt":["Date"],"modules.126.createdAt":["Date"],"modules.126.updatedAt":["Date"],"modules.127.createdAt":["Date"],"modules.127.updatedAt":["Date"],"modules.128.createdAt":["Date"],"modules.128.updatedAt":["Date"],"modules.129.createdAt":["Date"],"modules.129.updatedAt":["Date"],"modules.130.createdAt":["Date"],"modules.130.updatedAt":["Date"],"modules.131.createdAt":["Date"],"modules.131.updatedAt":["Date"],"modules.132.createdAt":["Date"],"modules.132.updatedAt":["Date"],"modules.133.createdAt":["Date"],"modules.133.updatedAt":["Date"],"modules.134.createdAt":["Date"],"modules.134.updatedAt":["Date"],"modules.135.createdAt":["Date"],"modules.135.updatedAt":["Date"],"modules.136.createdAt":["Date"],"modules.136.updatedAt":["Date"],"modules.137.createdAt":["Date"],"modules.137.updatedAt":["Date"],"modules.138.createdAt":["Date"],"modules.138.updatedAt":["Date"],"modules.139.createdAt":["Date"],"modules.139.updatedAt":["Date"],"modules.140.createdAt":["Date"],"modules.140.updatedAt":["Date"],"modules.141.createdAt":["Date"],"modules.141.updatedAt":["Date"],"modules.142.createdAt":["Date"],"modules.142.updatedAt":["Date"],"modules.143.createdAt":["Date"],"modules.143.updatedAt":["Date"],"modules.144.createdAt":["Date"],"modules.144.updatedAt":["Date"],"modules.145.createdAt":["Date"],"modules.145.updatedAt":["Date"],"modules.146.createdAt":["Date"],"modules.146.updatedAt":["Date"],"modules.147.createdAt":["Date"],"modules.147.updatedAt":["Date"],"modules.148.createdAt":["Date"],"modules.148.updatedAt":["Date"],"modules.149.createdAt":["Date"],"modules.149.updatedAt":["Date"],"modules.150.createdAt":["Date"],"modules.150.updatedAt":["Date"],"modules.151.createdAt":["Date"],"modules.151.updatedAt":["Date"],"modules.152.createdAt":["Date"],"modules.152.updatedAt":["Date"],"modules.153.createdAt":["Date"],"modules.153.updatedAt":["Date"],"modules.154.createdAt":["Date"],"modules.154.updatedAt":["Date"],"modules.155.createdAt":["Date"],"modules.155.updatedAt":["Date"],"modules.156.createdAt":["Date"],"modules.156.updatedAt":["Date"],"modules.157.createdAt":["Date"],"modules.157.updatedAt":["Date"],"modules.158.createdAt":["Date"],"modules.158.updatedAt":["Date"],"modules.159.createdAt":["Date"],"modules.159.updatedAt":["Date"],"modules.160.createdAt":["Date"],"modules.160.updatedAt":["Date"],"modules.161.createdAt":["Date"],"modules.161.updatedAt":["Date"],"modules.162.createdAt":["Date"],"modules.162.updatedAt":["Date"],"modules.163.createdAt":["Date"],"modules.163.updatedAt":["Date"],"modules.164.createdAt":["Date"],"modules.164.updatedAt":["Date"],"modules.165.createdAt":["Date"],"modules.165.updatedAt":["Date"],"modules.166.createdAt":["Date"],"modules.166.updatedAt":["Date"],"modules.167.createdAt":["Date"],"modules.167.updatedAt":["Date"],"modules.168.createdAt":["Date"],"modules.168.updatedAt":["Date"],"modules.169.createdAt":["Date"],"modules.169.updatedAt":["Date"],"modules.170.createdAt":["Date"],"modules.170.updatedAt":["Date"],"modules.171.createdAt":["Date"],"modules.171.updatedAt":["Date"],"modules.172.createdAt":["Date"],"modules.172.updatedAt":["Date"],"modules.173.createdAt":["Date"],"modules.173.updatedAt":["Date"],"modules.174.createdAt":["Date"],"modules.174.updatedAt":["Date"],"modules.175.createdAt":["Date"],"modules.175.updatedAt":["Date"],"modules.176.createdAt":["Date"],"modules.176.updatedAt":["Date"],"modules.177.createdAt":["Date"],"modules.177.updatedAt":["Date"],"modules.178.createdAt":["Date"],"modules.178.updatedAt":["Date"],"modules.179.createdAt":["Date"],"modules.179.updatedAt":["Date"],"modules.180.createdAt":["Date"],"modules.180.updatedAt":["Date"],"modules.181.createdAt":["Date"],"modules.181.updatedAt":["Date"],"modules.182.createdAt":["Date"],"modules.182.updatedAt":["Date"],"modules.183.createdAt":["Date"],"modules.183.updatedAt":["Date"],"modules.184.createdAt":["Date"],"modules.184.updatedAt":["Date"],"modules.185.createdAt":["Date"],"modules.185.updatedAt":["Date"],"modules.186.createdAt":["Date"],"modules.186.updatedAt":["Date"],"modules.187.createdAt":["Date"],"modules.187.updatedAt":["Date"],"modules.188.createdAt":["Date"],"modules.188.updatedAt":["Date"],"modules.189.createdAt":["Date"],"modules.189.updatedAt":["Date"],"modules.190.createdAt":["Date"],"modules.190.updatedAt":["Date"],"modules.191.createdAt":["Date"],"modules.191.updatedAt":["Date"],"modules.192.createdAt":["Date"],"modules.192.updatedAt":["Date"],"modules.193.createdAt":["Date"],"modules.193.updatedAt":["Date"],"modules.194.createdAt":["Date"],"modules.194.updatedAt":["Date"],"modules.195.createdAt":["Date"],"modules.195.updatedAt":["Date"],"modules.196.createdAt":["Date"],"modules.196.updatedAt":["Date"],"modules.197.createdAt":["Date"],"modules.197.updatedAt":["Date"],"modules.198.createdAt":["Date"],"modules.198.updatedAt":["Date"],"modules.199.createdAt":["Date"],"modules.199.updatedAt":["Date"],"modules.200.createdAt":["Date"],"modules.200.updatedAt":["Date"],"modules.201.createdAt":["Date"],"modules.201.updatedAt":["Date"],"modules.202.createdAt":["Date"],"modules.202.updatedAt":["Date"],"modules.203.createdAt":["Date"],"modules.203.updatedAt":["Date"],"modules.204.createdAt":["Date"],"modules.204.updatedAt":["Date"],"modules.205.createdAt":["Date"],"modules.205.updatedAt":["Date"],"modules.206.createdAt":["Date"],"modules.206.updatedAt":["Date"],"modules.207.createdAt":["Date"],"modules.207.updatedAt":["Date"],"modules.208.createdAt":["Date"],"modules.208.updatedAt":["Date"],"modules.209.createdAt":["Date"],"modules.209.updatedAt":["Date"],"modules.210.createdAt":["Date"],"modules.210.updatedAt":["Date"],"modules.211.createdAt":["Date"],"modules.211.updatedAt":["Date"],"modules.212.createdAt":["Date"],"modules.212.updatedAt":["Date"],"modules.213.createdAt":["Date"],"modules.213.updatedAt":["Date"],"modules.214.createdAt":["Date"],"modules.214.updatedAt":["Date"],"modules.215.createdAt":["Date"],"modules.215.updatedAt":["Date"],"modules.216.createdAt":["Date"],"modules.216.updatedAt":["Date"],"modules.217.createdAt":["Date"],"modules.217.updatedAt":["Date"],"modules.218.createdAt":["Date"],"modules.218.updatedAt":["Date"],"modules.219.createdAt":["Date"],"modules.219.updatedAt":["Date"],"modules.220.createdAt":["Date"],"modules.220.updatedAt":["Date"],"modules.221.createdAt":["Date"],"modules.221.updatedAt":["Date"],"modules.222.createdAt":["Date"],"modules.222.updatedAt":["Date"],"modules.223.createdAt":["Date"],"modules.223.updatedAt":["Date"],"modules.224.createdAt":["Date"],"modules.224.updatedAt":["Date"],"modules.225.createdAt":["Date"],"modules.225.updatedAt":["Date"],"modules.226.createdAt":["Date"],"modules.226.updatedAt":["Date"],"modules.227.createdAt":["Date"],"modules.227.updatedAt":["Date"],"modules.228.createdAt":["Date"],"modules.228.updatedAt":["Date"],"modules.229.createdAt":["Date"],"modules.229.updatedAt":["Date"],"modules.230.createdAt":["Date"],"modules.230.updatedAt":["Date"],"modules.231.createdAt":["Date"],"modules.231.updatedAt":["Date"],"modules.232.createdAt":["Date"],"modules.232.updatedAt":["Date"],"modules.233.createdAt":["Date"],"modules.233.updatedAt":["Date"],"modules.234.createdAt":["Date"],"modules.234.updatedAt":["Date"],"modules.235.createdAt":["Date"],"modules.235.updatedAt":["Date"],"modules.236.createdAt":["Date"],"modules.236.updatedAt":["Date"],"modules.237.createdAt":["Date"],"modules.237.updatedAt":["Date"],"modules.238.createdAt":["Date"],"modules.238.updatedAt":["Date"],"modules.239.createdAt":["Date"],"modules.239.updatedAt":["Date"],"modules.240.createdAt":["Date"],"modules.240.updatedAt":["Date"],"modules.241.createdAt":["Date"],"modules.241.updatedAt":["Date"],"modules.242.createdAt":["Date"],"modules.242.updatedAt":["Date"],"modules.243.createdAt":["Date"],"modules.243.updatedAt":["Date"],"modules.244.createdAt":["Date"],"modules.244.updatedAt":["Date"],"modules.245.createdAt":["Date"],"modules.245.updatedAt":["Date"],"modules.246.createdAt":["Date"],"modules.246.updatedAt":["Date"],"modules.247.createdAt":["Date"],"modules.247.updatedAt":["Date"],"modules.248.createdAt":["Date"],"modules.248.updatedAt":["Date"],"modules.249.createdAt":["Date"],"modules.249.updatedAt":["Date"],"modules.250.createdAt":["Date"],"modules.250.updatedAt":["Date"],"modules.251.createdAt":["Date"],"modules.251.updatedAt":["Date"],"modules.252.createdAt":["Date"],"modules.252.updatedAt":["Date"],"modules.253.createdAt":["Date"],"modules.253.updatedAt":["Date"],"modules.254.createdAt":["Date"],"modules.254.updatedAt":["Date"],"modules.255.createdAt":["Date"],"modules.255.updatedAt":["Date"],"modules.256.createdAt":["Date"],"modules.256.updatedAt":["Date"],"modules.257.createdAt":["Date"],"modules.257.updatedAt":["Date"],"modules.258.createdAt":["Date"],"modules.258.updatedAt":["Date"],"modules.259.createdAt":["Date"],"modules.259.updatedAt":["Date"],"modules.260.createdAt":["Date"],"modules.260.updatedAt":["Date"],"modules.261.createdAt":["Date"],"modules.261.updatedAt":["Date"],"modules.262.createdAt":["Date"],"modules.262.updatedAt":["Date"],"modules.263.createdAt":["Date"],"modules.263.updatedAt":["Date"],"modules.264.createdAt":["Date"],"modules.264.updatedAt":["Date"],"modules.265.createdAt":["Date"],"modules.265.updatedAt":["Date"],"modules.266.createdAt":["Date"],"modules.266.updatedAt":["Date"],"modules.267.createdAt":["Date"],"modules.267.updatedAt":["Date"],"modules.268.createdAt":["Date"],"modules.268.updatedAt":["Date"],"modules.269.createdAt":["Date"],"modules.269.updatedAt":["Date"],"modules.270.createdAt":["Date"],"modules.270.updatedAt":["Date"],"modules.271.createdAt":["Date"],"modules.271.updatedAt":["Date"],"modules.272.createdAt":["Date"],"modules.272.updatedAt":["Date"],"modules.273.createdAt":["Date"],"modules.273.updatedAt":["Date"],"modules.274.createdAt":["Date"],"modules.274.updatedAt":["Date"],"modules.275.createdAt":["Date"],"modules.275.updatedAt":["Date"],"modules.276.createdAt":["Date"],"modules.276.updatedAt":["Date"],"modules.277.createdAt":["Date"],"modules.277.updatedAt":["Date"],"sections.0.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.0.createdAt","sections.0.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.0.updatedAt","sections.0.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.1.createdAt","sections.0.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.1.updatedAt","sections.0.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.2.createdAt","sections.0.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.2.updatedAt","sections.0.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.3.createdAt","sections.0.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.3.updatedAt","sections.0.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.4.createdAt","sections.0.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.4.updatedAt","sections.0.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.5.createdAt","sections.0.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.5.updatedAt","sections.1.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.6.createdAt","sections.1.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.6.updatedAt","sections.1.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.7.createdAt","sections.1.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.7.updatedAt","sections.1.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.8.createdAt","sections.1.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.8.updatedAt","sections.1.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.9.createdAt","sections.1.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.9.updatedAt","sections.1.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.10.createdAt","sections.1.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.10.updatedAt","sections.1.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.11.createdAt","sections.1.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.11.updatedAt","sections.2.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.12.createdAt","sections.2.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.12.updatedAt","sections.2.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.13.createdAt","sections.2.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.13.updatedAt","sections.2.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.14.createdAt","sections.2.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.14.updatedAt","sections.2.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.15.createdAt","sections.2.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.15.updatedAt","sections.2.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.16.createdAt","sections.2.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.16.updatedAt","sections.2.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.17.createdAt","sections.2.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.17.updatedAt","sections.3.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.18.createdAt","sections.3.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.18.updatedAt","sections.3.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.19.createdAt","sections.3.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.19.updatedAt","sections.3.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.20.createdAt","sections.3.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.20.updatedAt","sections.3.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.21.createdAt","sections.3.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.21.updatedAt","sections.3.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.22.createdAt","sections.3.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.22.updatedAt","sections.3.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.23.createdAt","sections.3.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.23.updatedAt","sections.4.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.24.createdAt","sections.4.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.24.updatedAt","sections.4.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.25.createdAt","sections.4.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.25.updatedAt","sections.4.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.26.createdAt","sections.4.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.26.updatedAt","sections.4.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.27.createdAt","sections.4.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.27.updatedAt","sections.4.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.28.createdAt","sections.4.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.28.updatedAt","sections.4.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.29.createdAt","sections.4.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.29.updatedAt","sections.5.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.30.createdAt","sections.5.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.30.updatedAt","sections.5.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.31.createdAt","sections.5.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.31.updatedAt","sections.5.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.32.createdAt","sections.5.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.32.updatedAt","sections.5.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.33.createdAt","sections.5.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.33.updatedAt","sections.5.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.34.createdAt","sections.5.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.34.updatedAt","sections.5.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.35.createdAt","sections.5.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.35.updatedAt","sections.6.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.36.createdAt","sections.6.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.36.updatedAt","sections.6.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.37.createdAt","sections.6.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.37.updatedAt","sections.6.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.38.createdAt","sections.6.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.38.updatedAt","sections.6.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.39.createdAt","sections.6.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.39.updatedAt","sections.6.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.40.createdAt","sections.6.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.40.updatedAt","sections.6.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.41.createdAt","sections.6.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.41.updatedAt","sections.7.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.42.createdAt","sections.7.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.42.updatedAt","sections.7.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.43.createdAt","sections.7.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.43.updatedAt","sections.7.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.44.createdAt","sections.7.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.44.updatedAt","sections.7.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.45.createdAt","sections.7.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.45.updatedAt","sections.7.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.46.createdAt","sections.7.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.46.updatedAt","sections.7.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.47.createdAt","sections.7.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.47.updatedAt","sections.8.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.48.createdAt","sections.8.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.48.updatedAt","sections.8.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.49.createdAt","sections.8.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.49.updatedAt","sections.8.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.50.createdAt","sections.8.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.50.updatedAt","sections.8.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.51.createdAt","sections.8.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.51.updatedAt","sections.8.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.52.createdAt","sections.8.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.52.updatedAt","sections.8.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.53.createdAt","sections.8.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.53.updatedAt","sections.9.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.54.createdAt","sections.9.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.54.updatedAt","sections.9.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.55.createdAt","sections.9.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.55.updatedAt","sections.9.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.56.createdAt","sections.9.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.56.updatedAt","sections.9.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.57.createdAt","sections.9.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.57.updatedAt","sections.9.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.58.createdAt","sections.9.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.58.updatedAt","sections.9.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.59.createdAt","sections.9.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.59.updatedAt","sections.10.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.60.createdAt","sections.10.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.60.updatedAt","sections.10.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.61.createdAt","sections.10.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.61.updatedAt","sections.11.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.62.createdAt","sections.11.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.62.updatedAt","sections.11.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.63.createdAt","sections.11.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.63.updatedAt","sections.11.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.64.createdAt","sections.11.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.64.updatedAt","sections.11.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.65.createdAt","sections.11.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.65.updatedAt","sections.12.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.66.createdAt","sections.12.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.66.updatedAt","sections.12.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.67.createdAt","sections.12.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.67.updatedAt","sections.12.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.68.createdAt","sections.12.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.68.updatedAt","sections.12.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.69.createdAt","sections.12.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.69.updatedAt","sections.12.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.70.createdAt","sections.12.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.70.updatedAt","sections.12.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.71.createdAt","sections.12.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.71.updatedAt","sections.13.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.72.createdAt","sections.13.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.72.updatedAt","sections.13.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.73.createdAt","sections.13.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.73.updatedAt","sections.13.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.74.createdAt","sections.13.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.74.updatedAt","sections.13.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.75.createdAt","sections.13.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.75.updatedAt","sections.13.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.76.createdAt","sections.13.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.76.updatedAt","sections.13.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.77.createdAt","sections.13.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.77.updatedAt","sections.13.modules.6.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.78.createdAt","sections.13.modules.6.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.78.updatedAt","sections.13.modules.7.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.79.createdAt","sections.13.modules.7.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.79.updatedAt","sections.13.modules.8.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.80.createdAt","sections.13.modules.8.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.80.updatedAt","sections.13.modules.9.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.81.createdAt","sections.13.modules.9.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.81.updatedAt","sections.14.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.82.createdAt","sections.14.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.82.updatedAt","sections.14.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.83.createdAt","sections.14.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.83.updatedAt","sections.14.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.84.createdAt","sections.14.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.84.updatedAt","sections.14.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.85.createdAt","sections.14.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.85.updatedAt","sections.14.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.86.createdAt","sections.14.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.86.updatedAt","sections.14.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.87.createdAt","sections.14.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.87.updatedAt","sections.14.modules.6.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.88.createdAt","sections.14.modules.6.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.88.updatedAt","sections.14.modules.7.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.89.createdAt","sections.14.modules.7.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.89.updatedAt","sections.14.modules.8.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.90.createdAt","sections.14.modules.8.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.90.updatedAt","sections.14.modules.9.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.91.createdAt","sections.14.modules.9.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.91.updatedAt","sections.15.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.92.createdAt","sections.15.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.92.updatedAt","sections.15.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.93.createdAt","sections.15.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.93.updatedAt","sections.15.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.94.createdAt","sections.15.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.94.updatedAt","sections.15.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.95.createdAt","sections.15.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.95.updatedAt","sections.15.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.96.createdAt","sections.15.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.96.updatedAt","sections.15.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.97.createdAt","sections.15.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.97.updatedAt","sections.15.modules.6.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.98.createdAt","sections.15.modules.6.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.98.updatedAt","sections.15.modules.7.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.99.createdAt","sections.15.modules.7.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.99.updatedAt","sections.15.modules.8.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.100.createdAt","sections.15.modules.8.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.100.updatedAt","sections.15.modules.9.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.101.createdAt","sections.15.modules.9.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.101.updatedAt","sections.16.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.102.createdAt","sections.16.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.102.updatedAt","sections.16.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.103.createdAt","sections.16.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.103.updatedAt","sections.16.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.104.createdAt","sections.16.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.104.updatedAt","sections.16.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.105.createdAt","sections.16.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.105.updatedAt","sections.16.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.106.createdAt","sections.16.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.106.updatedAt","sections.16.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.107.createdAt","sections.16.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.107.updatedAt","sections.16.modules.6.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.108.createdAt","sections.16.modules.6.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.108.updatedAt","sections.16.modules.7.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.109.createdAt","sections.16.modules.7.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.109.updatedAt","sections.16.modules.8.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.110.createdAt","sections.16.modules.8.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.110.updatedAt","sections.16.modules.9.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.111.createdAt","sections.16.modules.9.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.111.updatedAt","sections.17.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.112.createdAt","sections.17.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.112.updatedAt","sections.17.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.113.createdAt","sections.17.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.113.updatedAt","sections.17.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.114.createdAt","sections.17.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.114.updatedAt","sections.17.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.115.createdAt","sections.17.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.115.updatedAt","sections.17.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.116.createdAt","sections.17.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.116.updatedAt","sections.17.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.117.createdAt","sections.17.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.117.updatedAt","sections.18.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.118.createdAt","sections.18.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.118.updatedAt","sections.18.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.119.createdAt","sections.18.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.119.updatedAt","sections.18.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.120.createdAt","sections.18.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.120.updatedAt","sections.18.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.121.createdAt","sections.18.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.121.updatedAt","sections.18.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.122.createdAt","sections.18.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.122.updatedAt","sections.18.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.123.createdAt","sections.18.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.123.updatedAt","sections.19.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.124.createdAt","sections.19.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.124.updatedAt","sections.19.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.125.createdAt","sections.19.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.125.updatedAt","sections.20.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.126.createdAt","sections.20.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.126.updatedAt","sections.20.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.127.createdAt","sections.20.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.127.updatedAt","sections.20.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.128.createdAt","sections.20.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.128.updatedAt","sections.20.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.129.createdAt","sections.20.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.129.updatedAt","sections.21.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.130.createdAt","sections.21.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.130.updatedAt","sections.21.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.131.createdAt","sections.21.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.131.updatedAt","sections.21.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.132.createdAt","sections.21.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.132.updatedAt","sections.21.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.133.createdAt","sections.21.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.133.updatedAt","sections.21.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.134.createdAt","sections.21.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.134.updatedAt","sections.21.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.135.createdAt","sections.21.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.135.updatedAt","sections.22.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.136.createdAt","sections.22.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.136.updatedAt","sections.22.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.137.createdAt","sections.22.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.137.updatedAt","sections.22.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.138.createdAt","sections.22.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.138.updatedAt","sections.22.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.139.createdAt","sections.22.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.139.updatedAt","sections.22.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.140.createdAt","sections.22.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.140.updatedAt","sections.22.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.141.createdAt","sections.22.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.141.updatedAt","sections.23.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.142.createdAt","sections.23.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.142.updatedAt","sections.23.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.143.createdAt","sections.23.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.143.updatedAt","sections.23.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.144.createdAt","sections.23.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.144.updatedAt","sections.23.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.145.createdAt","sections.23.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.145.updatedAt","sections.23.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.146.createdAt","sections.23.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.146.updatedAt","sections.23.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.147.createdAt","sections.23.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.147.updatedAt","sections.23.modules.6.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.148.createdAt","sections.23.modules.6.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.148.updatedAt","sections.23.modules.7.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.149.createdAt","sections.23.modules.7.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.149.updatedAt","sections.24.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.150.createdAt","sections.24.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.150.updatedAt","sections.24.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.151.createdAt","sections.24.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.151.updatedAt","sections.24.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.152.createdAt","sections.24.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.152.updatedAt","sections.24.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.153.createdAt","sections.24.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.153.updatedAt","sections.24.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.154.createdAt","sections.24.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.154.updatedAt","sections.24.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.155.createdAt","sections.24.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.155.updatedAt","sections.25.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.156.createdAt","sections.25.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.156.updatedAt","sections.25.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.157.createdAt","sections.25.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.157.updatedAt","sections.25.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.158.createdAt","sections.25.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.158.updatedAt","sections.25.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.159.createdAt","sections.25.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.159.updatedAt","sections.25.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.160.createdAt","sections.25.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.160.updatedAt","sections.25.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.161.createdAt","sections.25.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.161.updatedAt","sections.26.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.162.createdAt","sections.26.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.162.updatedAt","sections.26.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.163.createdAt","sections.26.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.163.updatedAt","sections.26.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.164.createdAt","sections.26.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.164.updatedAt","sections.26.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.165.createdAt","sections.26.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.165.updatedAt","sections.27.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.166.createdAt","sections.27.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.166.updatedAt","sections.27.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.167.createdAt","sections.27.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.167.updatedAt","sections.28.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.168.createdAt","sections.28.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.168.updatedAt","sections.28.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.169.createdAt","sections.28.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.169.updatedAt","sections.29.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.170.createdAt","sections.29.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.170.updatedAt","sections.29.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.171.createdAt","sections.29.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.171.updatedAt","sections.29.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.172.createdAt","sections.29.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.172.updatedAt","sections.29.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.173.createdAt","sections.29.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.173.updatedAt","sections.30.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.174.createdAt","sections.30.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.174.updatedAt","sections.30.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.175.createdAt","sections.30.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.175.updatedAt","sections.30.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.176.createdAt","sections.30.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.176.updatedAt","sections.30.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.177.createdAt","sections.30.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.177.updatedAt","sections.30.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.178.createdAt","sections.30.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.178.updatedAt","sections.30.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.179.createdAt","sections.30.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.179.updatedAt","sections.30.modules.6.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.180.createdAt","sections.30.modules.6.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.180.updatedAt","sections.30.modules.7.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.181.createdAt","sections.30.modules.7.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.181.updatedAt","sections.31.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.182.createdAt","sections.31.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.182.updatedAt","sections.31.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.183.createdAt","sections.31.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.183.updatedAt","sections.31.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.184.createdAt","sections.31.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.184.updatedAt","sections.31.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.185.createdAt","sections.31.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.185.updatedAt","sections.31.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.186.createdAt","sections.31.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.186.updatedAt","sections.31.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.187.createdAt","sections.31.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.187.updatedAt","sections.32.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.188.createdAt","sections.32.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.188.updatedAt","sections.32.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.189.createdAt","sections.32.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.189.updatedAt","sections.32.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.190.createdAt","sections.32.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.190.updatedAt","sections.32.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.191.createdAt","sections.32.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.191.updatedAt","sections.32.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.192.createdAt","sections.32.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.192.updatedAt","sections.32.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.193.createdAt","sections.32.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.193.updatedAt","sections.33.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.194.createdAt","sections.33.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.194.updatedAt","sections.33.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.195.createdAt","sections.33.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.195.updatedAt","sections.33.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.196.createdAt","sections.33.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.196.updatedAt","sections.33.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.197.createdAt","sections.33.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.197.updatedAt","sections.33.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.198.createdAt","sections.33.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.198.updatedAt","sections.33.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.199.createdAt","sections.33.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.199.updatedAt","sections.34.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.200.createdAt","sections.34.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.200.updatedAt","sections.34.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.201.createdAt","sections.34.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.201.updatedAt","sections.34.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.202.createdAt","sections.34.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.202.updatedAt","sections.34.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.203.createdAt","sections.34.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.203.updatedAt","sections.34.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.204.createdAt","sections.34.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.204.updatedAt","sections.35.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.205.createdAt","sections.35.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.205.updatedAt","sections.36.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.206.createdAt","sections.36.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.206.updatedAt","sections.36.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.207.createdAt","sections.36.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.207.updatedAt","sections.36.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.208.createdAt","sections.36.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.208.updatedAt","sections.36.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.209.createdAt","sections.36.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.209.updatedAt","sections.36.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.210.createdAt","sections.36.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.210.updatedAt","sections.36.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.211.createdAt","sections.36.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.211.updatedAt","sections.37.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.212.createdAt","sections.37.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.212.updatedAt","sections.37.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.213.createdAt","sections.37.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.213.updatedAt","sections.37.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.214.createdAt","sections.37.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.214.updatedAt","sections.37.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.215.createdAt","sections.37.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.215.updatedAt","sections.37.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.216.createdAt","sections.37.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.216.updatedAt","sections.37.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.217.createdAt","sections.37.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.217.updatedAt","sections.38.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.218.createdAt","sections.38.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.218.updatedAt","sections.38.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.219.createdAt","sections.38.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.219.updatedAt","sections.38.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.220.createdAt","sections.38.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.220.updatedAt","sections.38.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.221.createdAt","sections.38.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.221.updatedAt","sections.38.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.222.createdAt","sections.38.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.222.updatedAt","sections.38.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.223.createdAt","sections.38.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.223.updatedAt","sections.39.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.224.createdAt","sections.39.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.224.updatedAt","sections.39.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.225.createdAt","sections.39.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.225.updatedAt","sections.39.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.226.createdAt","sections.39.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.226.updatedAt","sections.39.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.227.createdAt","sections.39.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.227.updatedAt","sections.39.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.228.createdAt","sections.39.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.228.updatedAt","sections.39.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.229.createdAt","sections.39.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.229.updatedAt","sections.40.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.230.createdAt","sections.40.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.230.updatedAt","sections.40.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.231.createdAt","sections.40.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.231.updatedAt","sections.40.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.232.createdAt","sections.40.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.232.updatedAt","sections.40.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.233.createdAt","sections.40.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.233.updatedAt","sections.40.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.234.createdAt","sections.40.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.234.updatedAt","sections.40.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.235.createdAt","sections.40.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.235.updatedAt","sections.41.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.236.createdAt","sections.41.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.236.updatedAt","sections.41.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.237.createdAt","sections.41.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.237.updatedAt","sections.41.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.238.createdAt","sections.41.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.238.updatedAt","sections.41.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.239.createdAt","sections.41.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.239.updatedAt","sections.41.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.240.createdAt","sections.41.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.240.updatedAt","sections.41.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.241.createdAt","sections.41.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.241.updatedAt","sections.42.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.242.createdAt","sections.42.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.242.updatedAt","sections.42.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.243.createdAt","sections.42.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.243.updatedAt","sections.42.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.244.createdAt","sections.42.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.244.updatedAt","sections.42.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.245.createdAt","sections.42.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.245.updatedAt","sections.42.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.246.createdAt","sections.42.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.246.updatedAt","sections.42.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.247.createdAt","sections.42.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.247.updatedAt","sections.43.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.248.createdAt","sections.43.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.248.updatedAt","sections.43.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.249.createdAt","sections.43.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.249.updatedAt","sections.43.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.250.createdAt","sections.43.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.250.updatedAt","sections.43.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.251.createdAt","sections.43.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.251.updatedAt","sections.43.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.252.createdAt","sections.43.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.252.updatedAt","sections.43.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.253.createdAt","sections.43.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.253.updatedAt","sections.43.modules.6.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.254.createdAt","sections.43.modules.6.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.254.updatedAt","sections.43.modules.7.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.255.createdAt","sections.43.modules.7.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.255.updatedAt","sections.43.modules.8.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.256.createdAt","sections.43.modules.8.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.256.updatedAt","sections.43.modules.9.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.257.createdAt","sections.43.modules.9.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.257.updatedAt","sections.43.modules.10.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.258.createdAt","sections.43.modules.10.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.258.updatedAt","sections.43.modules.11.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.259.createdAt","sections.43.modules.11.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.259.updatedAt","sections.44.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.260.createdAt","sections.44.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.260.updatedAt","sections.44.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.261.createdAt","sections.44.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.261.updatedAt","sections.44.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.262.createdAt","sections.44.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.262.updatedAt","sections.44.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.263.createdAt","sections.44.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.263.updatedAt","sections.44.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.264.createdAt","sections.44.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.264.updatedAt","sections.44.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.265.createdAt","sections.44.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.265.updatedAt","sections.45.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.266.createdAt","sections.45.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.266.updatedAt","sections.45.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.267.createdAt","sections.45.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.267.updatedAt","sections.45.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.268.createdAt","sections.45.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.268.updatedAt","sections.45.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.269.createdAt","sections.45.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.269.updatedAt","sections.45.modules.4.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.270.createdAt","sections.45.modules.4.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.270.updatedAt","sections.45.modules.5.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.271.createdAt","sections.45.modules.5.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.271.updatedAt","sections.46.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.272.createdAt","sections.46.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.272.updatedAt","sections.46.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.273.createdAt","sections.46.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.273.updatedAt","sections.47.modules.0.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.274.createdAt","sections.47.modules.0.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.274.updatedAt","sections.47.modules.1.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.275.createdAt","sections.47.modules.1.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.275.updatedAt","sections.47.modules.2.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.276.createdAt","sections.47.modules.2.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.276.updatedAt","sections.47.modules.3.createdAt":"$45:props:state:queries:0:state:data:meta:values:modules.277.createdAt","sections.47.modules.3.updatedAt":"$45:props:state:queries:0:state:data:meta:values:modules.277.updatedAt"},"referentialEqualities":{"modules.0":["sections.0.modules.0"],"modules.1":["sections.0.modules.1"],"modules.2":["sections.0.modules.2"],"modules.3":["sections.0.modules.3"],"modules.4":["sections.0.modules.4"],"modules.5":["sections.0.modules.5"],"modules.6":["sections.1.modules.0"],"modules.7":["sections.1.modules.1"],"modules.8":["sections.1.modules.2"],"modules.9":["sections.1.modules.3"],"modules.10":["sections.1.modules.4"],"modules.11":["sections.1.modules.5"],"modules.12":["sections.2.modules.0"],"modules.13":["sections.2.modules.1"],"modules.14":["sections.2.modules.2"],"modules.15":["sections.2.modules.3"],"modules.16":["sections.2.modules.4"],"modules.17":["sections.2.modules.5"],"modules.18":["sections.3.modules.0"],"modules.19":["sections.3.modules.1"],"modules.20":["sections.3.modules.2"],"modules.21":["sections.3.modules.3"],"modules.22":["sections.3.modules.4"],"modules.23":["sections.3.modules.5"],"modules.24":["sections.4.modules.0"],"modules.25":["sections.4.modules.1"],"modules.26":["sections.4.modules.2"],"modules.27":["sections.4.modules.3"],"modules.28":["sections.4.modules.4"],"modules.29":["sections.4.modules.5"],"modules.30":["sections.5.modules.0"],"modules.31":["sections.5.modules.1"],"modules.32":["sections.5.modules.2"],"modules.33":["sections.5.modules.3"],"modules.34":["sections.5.modules.4"],"modules.35":["sections.5.modules.5"],"modules.36":["sections.6.modules.0"],"modules.37":["sections.6.modules.1"],"modules.38":["sections.6.modules.2"],"modules.39":["sections.6.modules.3"],"modules.40":["sections.6.modules.4"],"modules.41":["sections.6.modules.5"],"modules.42":["sections.7.modules.0"],"modules.43":["sections.7.modules.1"],"modules.44":["sections.7.modules.2"],"modules.45":["sections.7.modules.3"],"modules.46":["sections.7.modules.4"],"modules.47":["sections.7.modules.5"],"modules.48":["sections.8.modules.0"],"modules.49":["sections.8.modules.1"],"modules.50":["sections.8.modules.2"],"modules.51":["sections.8.modules.3"],"modules.52":["sections.8.modules.4"],"modules.53":["sections.8.modules.5"],"modules.54":["sections.9.modules.0"],"modules.55":["sections.9.modules.1"],"modules.56":["sections.9.modules.2"],"modules.57":["sections.9.modules.3"],"modules.58":["sections.9.modules.4"],"modules.59":["sections.9.modules.5"],"modules.60":["sections.10.modules.0"],"modules.61":["sections.10.modules.1"],"modules.62":["sections.11.modules.0"],"modules.63":["sections.11.modules.1"],"modules.64":["sections.11.modules.2"],"modules.65":["sections.11.modules.3"],"modules.66":["sections.12.modules.0"],"modules.67":["sections.12.modules.1"],"modules.68":["sections.12.modules.2"],"modules.69":["sections.12.modules.3"],"modules.70":["sections.12.modules.4"],"modules.71":["sections.12.modules.5"],"modules.72":["sections.13.modules.0"],"modules.73":["sections.13.modules.1"],"modules.74":["sections.13.modules.2"],"modules.75":["sections.13.modules.3"],"modules.76":["sections.13.modules.4"],"modules.77":["sections.13.modules.5"],"modules.78":["sections.13.modules.6"],"modules.79":["sections.13.modules.7"],"modules.80":["sections.13.modules.8"],"modules.81":["sections.13.modules.9"],"modules.82":["sections.14.modules.0"],"modules.83":["sections.14.modules.1"],"modules.84":["sections.14.modules.2"],"modules.85":["sections.14.modules.3"],"modules.86":["sections.14.modules.4"],"modules.87":["sections.14.modules.5"],"modules.88":["sections.14.modules.6"],"modules.89":["sections.14.modules.7"],"modules.90":["sections.14.modules.8"],"modules.91":["sections.14.modules.9"],"modules.92":["sections.15.modules.0"],"modules.93":["sections.15.modules.1"],"modules.94":["sections.15.modules.2"],"modules.95":["sections.15.modules.3"],"modules.96":["sections.15.modules.4"],"modules.97":["sections.15.modules.5"],"modules.98":["sections.15.modules.6"],"modules.99":["sections.15.modules.7"],"modules.100":["sections.15.modules.8"],"modules.101":["sections.15.modules.9"],"modules.102":["sections.16.modules.0"],"modules.103":["sections.16.modules.1"],"modules.104":["sections.16.modules.2"],"modules.105":["sections.16.modules.3"],"modules.106":["sections.16.modules.4"],"modules.107":["sections.16.modules.5"],"modules.108":["sections.16.modules.6"],"modules.109":["sections.16.modules.7"],"modules.110":["sections.16.modules.8"],"modules.111":["sections.16.modules.9"],"modules.112":["sections.17.modules.0"],"modules.113":["sections.17.modules.1"],"modules.114":["sections.17.modules.2"],"modules.115":["sections.17.modules.3"],"modules.116":["sections.17.modules.4"],"modules.117":["sections.17.modules.5"],"modules.118":["sections.18.modules.0"],"modules.119":["sections.18.modules.1"],"modules.120":["sections.18.modules.2"],"modules.121":["sections.18.modules.3"],"modules.122":["sections.18.modules.4"],"modules.123":["sections.18.modules.5"],"modules.124":["sections.19.modules.0"],"modules.125":["sections.19.modules.1"],"modules.126":["sections.20.modules.0"],"modules.127":["sections.20.modules.1"],"modules.128":["sections.20.modules.2"],"modules.129":["sections.20.modules.3"],"modules.130":["sections.21.modules.0"],"modules.131":["sections.21.modules.1"],"modules.132":["sections.21.modules.2"],"modules.133":["sections.21.modules.3"],"modules.134":["sections.21.modules.4"],"modules.135":["sections.21.modules.5"],"modules.136":["sections.22.modules.0"],"modules.137":["sections.22.modules.1"],"modules.138":["sections.22.modules.2"],"modules.139":["sections.22.modules.3"],"modules.140":["sections.22.modules.4"],"modules.141":["sections.22.modules.5"],"modules.142":["sections.23.modules.0"],"modules.143":["sections.23.modules.1"],"modules.144":["sections.23.modules.2"],"modules.145":["sections.23.modules.3"],"modules.146":["sections.23.modules.4"],"modules.147":["sections.23.modules.5"],"modules.148":["sections.23.modules.6"],"modules.149":["sections.23.modules.7"],"modules.150":["sections.24.modules.0"],"modules.151":["sections.24.modules.1"],"modules.152":["sections.24.modules.2"],"modules.153":["sections.24.modules.3"],"modules.154":["sections.24.modules.4"],"modules.155":["sections.24.modules.5"],"modules.156":["sections.25.modules.0"],"modules.157":["sections.25.modules.1"],"modules.158":["sections.25.modules.2"],"modules.159":["sections.25.modules.3"],"modules.160":["sections.25.modules.4"],"modules.161":["sections.25.modules.5"],"modules.162":["sections.26.modules.0"],"modules.163":["sections.26.modules.1"],"modules.164":["sections.26.modules.2"],"modules.165":["sections.26.modules.3"],"modules.166":["sections.27.modules.0"],"modules.167":["sections.27.modules.1"],"modules.168":["sections.28.modules.0"],"modules.169":["sections.28.modules.1"],"modules.170":["sections.29.modules.0"],"modules.171":["sections.29.modules.1"],"modules.172":["sections.29.modules.2"],"modules.173":["sections.29.modules.3"],"modules.174":["sections.30.modules.0"],"modules.175":["sections.30.modules.1"],"modules.176":["sections.30.modules.2"],"modules.177":["sections.30.modules.3"],"modules.178":["sections.30.modules.4"],"modules.179":["sections.30.modules.5"],"modules.180":["sections.30.modules.6"],"modules.181":["sections.30.modules.7"],"modules.182":["sections.31.modules.0"],"modules.183":["sections.31.modules.1"],"modules.184":["sections.31.modules.2"],"modules.185":["sections.31.modules.3"],"modules.186":["sections.31.modules.4"],"modules.187":["sections.31.modules.5"],"modules.188":["sections.32.modules.0"],"modules.189":["sections.32.modules.1"],"modules.190":["sections.32.modules.2"],"modules.191":["sections.32.modules.3"],"modules.192":["sections.32.modules.4"],"modules.193":["sections.32.modules.5"],"modules.194":["sections.33.modules.0"],"modules.195":["sections.33.modules.1"],"modules.196":["sections.33.modules.2"],"modules.197":["sections.33.modules.3"],"modules.198":["sections.33.modules.4"],"modules.199":["sections.33.modules.5"],"modules.200":["sections.34.modules.0"],"modules.201":["sections.34.modules.1"],"modules.202":["sections.34.modules.2"],"modules.203":["sections.34.modules.3"],"modules.204":["sections.34.modules.4"],"modules.205":["sections.35.modules.0"],"modules.206":["sections.36.modules.0"],"modules.207":["sections.36.modules.1"],"modules.208":["sections.36.modules.2"],"modules.209":["sections.36.modules.3"],"modules.210":["sections.36.modules.4"],"modules.211":["sections.36.modules.5"],"modules.212":["sections.37.modules.0"],"modules.213":["sections.37.modules.1"],"modules.214":["sections.37.modules.2"],"modules.215":["sections.37.modules.3"],"modules.216":["sections.37.modules.4"],"modules.217":["sections.37.modules.5"],"modules.218":["sections.38.modules.0"],"modules.219":["sections.38.modules.1"],"modules.220":["sections.38.modules.2"],"modules.221":["sections.38.modules.3"],"modules.222":["sections.38.modules.4"],"modules.223":["sections.38.modules.5"],"modules.224":["sections.39.modules.0"],"modules.225":["sections.39.modules.1"],"modules.226":["sections.39.modules.2"],"modules.227":["sections.39.modules.3"],"modules.228":["sections.39.modules.4"],"modules.229":["sections.39.modules.5"],"modules.230":["sections.40.modules.0"],"modules.231":["sections.40.modules.1"],"modules.232":["sections.40.modules.2"],"modules.233":["sections.40.modules.3"],"modules.234":["sections.40.modules.4"],"modules.235":["sections.40.modules.5"],"modules.236":["sections.41.modules.0"],"modules.237":["sections.41.modules.1"],"modules.238":["sections.41.modules.2"],"modules.239":["sections.41.modules.3"],"modules.240":["sections.41.modules.4"],"modules.241":["sections.41.modules.5"],"modules.242":["sections.42.modules.0"],"modules.243":["sections.42.modules.1"],"modules.244":["sections.42.modules.2"],"modules.245":["sections.42.modules.3"],"modules.246":["sections.42.modules.4"],"modules.247":["sections.42.modules.5"],"modules.248":["sections.43.modules.0"],"modules.249":["sections.43.modules.1"],"modules.250":["sections.43.modules.2"],"modules.251":["sections.43.modules.3"],"modules.252":["sections.43.modules.4"],"modules.253":["sections.43.modules.5"],"modules.254":["sections.43.modules.6"],"modules.255":["sections.43.modules.7"],"modules.256":["sections.43.modules.8"],"modules.257":["sections.43.modules.9"],"modules.258":["sections.43.modules.10"],"modules.259":["sections.43.modules.11"],"modules.260":["sections.44.modules.0"],"modules.261":["sections.44.modules.1"],"modules.262":["sections.44.modules.2"],"modules.263":["sections.44.modules.3"],"modules.264":["sections.44.modules.4"],"modules.265":["sections.44.modules.5"],"modules.266":["sections.45.modules.0"],"modules.267":["sections.45.modules.1"],"modules.268":["sections.45.modules.2"],"modules.269":["sections.45.modules.3"],"modules.270":["sections.45.modules.4"],"modules.271":["sections.45.modules.5"],"modules.272":["sections.46.modules.0"],"modules.273":["sections.46.modules.1"],"modules.274":["sections.47.modules.0"],"modules.275":["sections.47.modules.1"],"modules.276":["sections.47.modules.2"],"modules.277":["sections.47.modules.3"]},"v":1}},"dataUpdateCount":1,"dataUpdatedAt":1792301077147,"error":null,"errorUpdateCount":0,"errorUpdatedAt":0,"fetchFailureCount":0,"fetchFailureReason":null,"fetchMeta":null,"isInvalidated":false,"status":"success","fetchStatus":"idle"},"queryKey":[["learningPaths","getBySlug"],{"input":{"slug":"dbms"},"type":"query"}],"queryHash":"[[\"learningPaths\",\"getBySlug\"],{\"input\":{\"slug\":\"dbms\"},\"type\":\"query\"}]"},{"dehydratedAt":1792301077429,"state":{"data":{"json":{"path":{"archivedAt":null,"id":"seed_4efd266245e8ccabd5a598fe1877548c","slug":"dbms","title":"Database Management Systems","description":"Study relational design, SQL, transactions and storage, reinforce query concepts with SQL problems, and apply consistency and analytical exports in repository coding and review.","image":null,"color":"#3B82F6","keyTopics":["Relational Model","SQL Mastery","ER Modeling","Normalization","Transactions & ACID","Indexing & B-Trees","Query Optimization","Distributed Databases"],"estimatedHours":221.4,"problemCount":26,"visualizerCount":0,"quizCount":0,"learningCount":252,"difficulty":"INTERMEDIATE","idealFor":["Computer Science students learning databases","Software engineers preparing for interviews","Backend developers working with databases","Anyone wanting to understand data management"],"prerequisites":["Basic programming knowledge","Understanding of data structures","Basic math and logic"],"skillsGained":["Database design and modeling","SQL query writing and optimization","Normalization and schema design","Understanding transaction management","Index design and query tuning","Distributed database concepts"],"outcomes":["Design efficient database schemas","Write complex SQL queries","Optimize database performance","Understand ACID and transactions","Apply normalization techniques","Choose appropriate database systems"],"overview":"This comprehensive learning path takes you from database fundamentals to advanced topics, preparing you for real-world database design and interviews.\n\n**What you'll learn:**\n• Database fundamentals (DBMS concepts, architecture, data models)\n• Relational model and relational algebra/calculus\n• Entity-Relationship modeling (ER and EER)\n• SQL from basics to advanced features\n• Normalization (1NF through 5NF)\n• Transaction management and concurrency control\n• Recovery and backup strategies\n• Storage systems and indexing (B-trees, hashing)\n• Query processing and optimization\n• Distributed databases and NoSQL\n• Data warehousing and OLAP\n\nEach topic includes detailed explanations and real-world examples.","createdAt":"2026-10-15T17:47:45.111Z","updatedAt":"2026-10-17T16:28:34.115Z","modules":[{"id":"seed_d50ecf005f98d6dce4877a20fe5149a5","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 1: Introduction To Databases","sectionOrder":1,"title":"Data and Information","order":1,"contentType":"LEARNING","contentSlug":"data-and-information","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.178Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_445986fd522e95775f051bcc8ef5c67d","title":"Data vs Information","order":0},{"id":"seed_37f8d917164c63226e53dc336c3cc1d2","title":"Data Processing","order":1},{"id":"seed_cadbc125a173b95648c212d22d179778","title":"Structured vs Unstructured Data","order":2},{"id":"seed_17105e30c07b82ae5107a51171dd5da3","title":"Data in Organizations","order":3},{"id":"seed_01e6d06a6c519dc27195c61a428c5ea1","title":"Information Systems","order":4}]},{"id":"seed_1a723477c4c1b36091df9717cc2513b2","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 1: Introduction To Databases","sectionOrder":1,"title":"File System vs DBMS: Understanding the Evolution of Data Management","order":2,"contentType":"LEARNING","contentSlug":"file-system-vs-dbms","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.178Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_83cd5655119b0bf4535ef2e9e1d6b964","title":"File-Based Data Management","order":0},{"id":"seed_de827350e881c23aac647c711277715d","title":"Limitations of File Systems","order":1},{"id":"seed_223ffa5a1630f1587fe159e890744c08","title":"Data Redundancy and Inconsistency","order":2},{"id":"seed_b29c65602f3ebda80cf170ec2dc3e68e","title":"Data Isolation","order":3},{"id":"seed_fe5c009b0115e73576ce7039f9acf695","title":"DBMS Advantages","order":4}]},{"id":"seed_599f550f61362a4d33e41a406832da54","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 1: Introduction To Databases","sectionOrder":1,"title":"Understanding DBMS Concepts","order":3,"contentType":"LEARNING","contentSlug":"dbms-concepts","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_4a0a27237377edb59b7faf8fe0061e17","title":"DBMS Definition","order":0},{"id":"seed_9ebcc7b174ffaf57e0cb058003897a14","title":"Database System Components","order":1},{"id":"seed_0373dce20b4312ae3e10e345b7e02d8a","title":"Data Abstraction Levels","order":2},{"id":"seed_7006160aa526a9eb3d2e25c86f254dc0","title":"Data Models","order":3},{"id":"seed_42b0db65c02f7903ec229326ffb22dc1","title":"Database Languages","order":4}]},{"id":"seed_faa85d536aa9b1c8da058abf4f158548","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 1: Introduction To Databases","sectionOrder":1,"title":"DBMS Advantages: Why Database Systems Excel","order":4,"contentType":"LEARNING","contentSlug":"dbms-advantages","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_b6bde41a59a4b0638c5c19778f0eefb7","title":"Data Independence: The Foundation of DBMS Flexibility","order":0},{"id":"seed_ff00a428772ad9076f9c8eb6d2aa22f5","title":"Reduced Redundancy: Eliminating the Duplication Problem","order":1},{"id":"seed_e1642ce3ad54191b5e891249fa5b7da1","title":"Data Integrity: Ensuring Accuracy and Consistency","order":2},{"id":"seed_4b306fc612ee2b84e3256d7d22e9fabc","title":"Concurrent Access: Enabling Multi-User Database Systems","order":3},{"id":"seed_b85b23bacf25fbc4118824f852db890d","title":"Security and Backup: Protecting Data Assets","order":4}]},{"id":"seed_b28a32cfdaf8c7acda9bcb37006182ac","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 1: Introduction To Databases","sectionOrder":1,"title":"Database Users","order":5,"contentType":"LEARNING","contentSlug":"database-users","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_32fd0243d71c6e57b824c3f6d16d08bc","title":"Database Administrator (DBA)","order":0},{"id":"seed_9c3af0275d6017dca27419ad00069958","title":"Database Designers","order":1},{"id":"seed_498713460ffb46aab5d1dfdee86604a0","title":"Application Programmers","order":2},{"id":"seed_803fff356e8a619c2c56032676df13fe","title":"End Users","order":3},{"id":"seed_f1e6e06bd0c3a931faee18d357e9fe65","title":"Roles and Responsibilities","order":4}]},{"id":"seed_d69ab5fc82226ad1e3db523c2c790d9e","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 1: Introduction To Databases","sectionOrder":1,"title":"DBMS Applications Across Industries","order":6,"contentType":"LEARNING","contentSlug":"dbms-applications","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_34ebbe2fe58708cb10042e83a7b279fb","title":"Banking Systems: The Foundation of Financial Infrastructure","order":0},{"id":"seed_f07e8c7c15860f5096c76cea160818c9","title":"E-commerce Systems: Scaling to Billions of Transactions","order":1},{"id":"seed_86bea3a07c1fecaf18d5c75eb4e594b9","title":"Healthcare Systems: Where Data Saves Lives","order":2},{"id":"seed_2164184616bdaeb1b7f80ef06d5deff2","title":"Education Systems: Databases Powering Digital Learning","order":3},{"id":"seed_f516ed5a0c5f4a951a0e6e6e6a4dbdac","title":"Enterprise Systems: The Organizational Backbone","order":4}]},{"id":"seed_fb93ce9ffb7d090ad98a087ad9804cbb","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 2: Database System Architecture","sectionOrder":2,"title":"Three-Level Architecture","order":1,"contentType":"LEARNING","contentSlug":"three-level-architecture","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_3f70d57eb7f77227365bd5f94941b27b","title":"External Level (Views)","order":0},{"id":"seed_b1a56ba46f9dc644a65e6a672a0dcaee","title":"Conceptual Level (Logical)","order":1},{"id":"seed_e707fc493ea94c6918597aed3440c56a","title":"Internal Level (Physical)","order":2},{"id":"seed_34ade56bcc2297b2eccad9a25d19512a","title":"ANSI-SPARC Architecture","order":3},{"id":"seed_8df502eba51ce6dc7744a8f2f9ba9c94","title":"Level Interactions","order":4}]},{"id":"seed_3b1094dbbcf47eb85ff1948e0436ebb7","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 2: Database System Architecture","sectionOrder":2,"title":"Database Schemas and Instances","order":2,"contentType":"LEARNING","contentSlug":"schemas-and-instances","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_17df55a784551065183b565192d4ad35","title":"Schema Definition","order":0},{"id":"seed_06b72dc53ea170e0acde950fb9008a80","title":"Database Instance","order":1},{"id":"seed_a342ca910ae57169a51f21221c7aca3b","title":"Schema vs Instance","order":2},{"id":"seed_cc169ab00254c84787096228fa05720e","title":"Schema Evolution","order":3},{"id":"seed_7de625dbbae54296a37f73bcf1e391f8","title":"Metadata","order":4}]},{"id":"seed_b05ed2bc9d137c1fa212d7afbd871a2f","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 2: Database System Architecture","sectionOrder":2,"title":"Data Independence: The Foundation of Database Flexibility","order":3,"contentType":"LEARNING","contentSlug":"data-independence","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_cac9e83db7cfa6e40f241d7279a9f7f9","title":"Logical Data Independence","order":0},{"id":"seed_32c86eb5e7540156852cde62ab54667d","title":"Physical Data Independence","order":1},{"id":"seed_1361ed9defeed2cf917c807e2716d055","title":"Importance of Data Independence","order":2},{"id":"seed_648b9f4a7def4d9d874685ba3dbded82","title":"Achieving Data Independence","order":3},{"id":"seed_ca3076aae46cefab7e3ab96488a83fe4","title":"Mapping Between Levels","order":4}]},{"id":"seed_c757e4597c456dc1dba26f4383269cee","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 2: Database System Architecture","sectionOrder":2,"title":"DBMS Components: The Internal Architecture","order":4,"contentType":"LEARNING","contentSlug":"dbms-components","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_ec62889ce5c518c01216f04d1082cd15","title":"Query Processor: From SQL to Execution","order":0},{"id":"seed_6f921759b03a3e551f5e341562deae70","title":"Storage Manager: Organizing Data on Disk","order":1},{"id":"seed_16a8e4f15e75e91453363b0bed1e4143","title":"Transaction Manager: Guaranteeing ACID Properties","order":2},{"id":"seed_b4707939d5e2b40e78e95e8400babae1","title":"Buffer Manager: Bridging Memory and Disk","order":3},{"id":"seed_4a49c9cbb69ccfd7eae7bea2b34fc7bd","title":"Component Interactions: The DBMS Orchestra","order":4}]},{"id":"seed_c6e3fff47468c9b6a0789417916e7b76","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 2: Database System Architecture","sectionOrder":2,"title":"Database Languages: The Complete Language Toolkit","order":5,"contentType":"LEARNING","contentSlug":"database-languages","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_1fa8520c39ccbb2fc672804cc46a7042","title":"Data Definition Language (DDL)","order":0},{"id":"seed_424229787f8aa3d24a353b78e3e4ab80","title":"Data Manipulation Language (DML)","order":1},{"id":"seed_a5223031585a22f3824d08d9839435b3","title":"Data Control Language (DCL)","order":2},{"id":"seed_4b9ab846c7f02bfe921b1285d82bf237","title":"Transaction Control Language (TCL)","order":3},{"id":"seed_0f2f91aa7e026a588689cbc73d0b73b8","title":"Query Languages","order":4}]},{"id":"seed_40a48502dd77f00792e98053e0a3612d","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 2: Database System Architecture","sectionOrder":2,"title":"Client-Server Architecture in Database Systems","order":6,"contentType":"LEARNING","contentSlug":"client-server-architecture","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_fe437da5be20910978c2ecc2893905cd","title":"Two-Tier Architecture: The Foundation of Client-Server Computing","order":0},{"id":"seed_a625262bf0c8bec2512e4b8aa09c4cbf","title":"Three-Tier Architecture: The Enterprise Standard","order":1},{"id":"seed_a243d5bdd287aea4902d08e49b5f5f8d","title":"Application Servers: The Engine of Enterprise Computing","order":2},{"id":"seed_e2875f59bfe922eb23cbf2b42371ebcf","title":"Connection Pooling: The Art of Database Resource Management","order":3},{"id":"seed_e9347e564beb7bbdee45219f0448bd42","title":"Modern Architectures: Beyond Traditional Client-Server","order":4}]},{"id":"seed_acf4b038f297adaf6da9cae7d4796539","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 3: Data Models","sectionOrder":3,"title":"Data Model Concepts","order":1,"contentType":"LEARNING","contentSlug":"data-model-concepts","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_c53574383aad6068a835f34e8fff82ef","title":"Data Model Definition","order":0},{"id":"seed_4a6c227fa473e6a8ad9304c676803679","title":"Structural Aspect","order":1},{"id":"seed_ad5330abb6eb09900d6b599ac34ce8e0","title":"Operational Aspect","order":2},{"id":"seed_52613383d97ee330527f943fdeea8fa7","title":"Constraint Aspect","order":3},{"id":"seed_ce8858764f1bf40ea56c4395dd36b1a5","title":"Model Evolution","order":4}]},{"id":"seed_00ae39c65776c85374c320f4826bcb41","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 3: Data Models","sectionOrder":3,"title":"The Hierarchical Data Model","order":2,"contentType":"LEARNING","contentSlug":"hierarchical-model","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_c2f6cf2c3adf9db261cc3a44570840ce","title":"Tree Structure — The Architectural Foundation of Hierarchical Databases","order":0},{"id":"seed_670465a5d845ac50f859bc6b98e4478c","title":"Parent-Child Relationships — The Fundamental Bond of Hierarchical Databases","order":1},{"id":"seed_39deea1f1377d55ad759b8132115bb81","title":"IMS Example — The Industry-Defining Hierarchical DBMS","order":2},{"id":"seed_8858e551964ecc0213f7ab4a98a6639a","title":"Advantages and Limitations — The Full Picture of Hierarchical Databases","order":3},{"id":"seed_7bead0534d2c6a34f44287e6752ae104","title":"Historical Significance — The Hierarchical Model's Enduring Legacy","order":4}]},{"id":"seed_f7dbec3e42c66c31509144729f53136c","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 3: Data Models","sectionOrder":3,"title":"The Network Data Model","order":3,"contentType":"LEARNING","contentSlug":"network-model","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_e47d2ce61ee09edb0f11e9f502c158c3","title":"Graph Structure — The Network Data Model Foundation","order":0},{"id":"seed_7da29804b07e176e87f999af448a994e","title":"CODASYL Model — The Standardization of Network Databases","order":1},{"id":"seed_28ef8175aed8b64f6f32626f6a760332","title":"Set Relationships — The Building Blocks of Network Connectivity","order":2},{"id":"seed_c63b1b616ef2d0e51db30a110d6e571b","title":"Navigation — The Programmer as Navigator","order":3},{"id":"seed_ec8eda824b1beba3a88a12597906f7b7","title":"Comparison with Hierarchical Model — A Tale of Two Paradigms","order":4}]},{"id":"seed_9da5dbeef4761d5bfeafe5e5980c755c","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 3: Data Models","sectionOrder":3,"title":"The Relational Model","order":4,"contentType":"LEARNING","contentSlug":"relational-model","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_e1f083f585f2cacf36cf53630d84ceb1","title":"Table-Based Structure","order":0},{"id":"seed_5753455fcde2fee83ce91ea2685ee884","title":"Mathematical Foundation","order":1},{"id":"seed_a34ca099f1eeea8a425e39b36b329352","title":"Codd's 12 Rules","order":2},{"id":"seed_b71da834327689c31c47039a3a9e9c5d","title":"Dominance","order":3},{"id":"seed_34a08a43d72f530dfe283cec74ca6786","title":"Modern Usage","order":4}]},{"id":"seed_f9b938c947aaed306f9532bb8c55b6d8","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 3: Data Models","sectionOrder":3,"title":"Object-Oriented Database Model","order":5,"contentType":"LEARNING","contentSlug":"object-oriented-model","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_0bc4dc95c862018cb3ace42df96f0148","title":"Objects and Classes","order":0},{"id":"seed_b2df5729c482c102ff2628dca5e45725","title":"Inheritance","order":1},{"id":"seed_b5f7167f474db88c8f810e835e6103b4","title":"Encapsulation","order":2},{"id":"seed_9e7201a4d407b7e7fbd5227af10a46de","title":"Object-Relational Mapping","order":3},{"id":"seed_efe16537de1685b6d60ebc5e4b18923f","title":"Use Cases","order":4}]},{"id":"seed_3cdfbb4abb409e926e3668de85f0fa65","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 3: Data Models","sectionOrder":3,"title":"Document and Other Data Models","order":6,"contentType":"LEARNING","contentSlug":"document-and-other-models","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_f9d4cee510f960c6d0fc414d53499fee","title":"Document Model (JSON, XML)","order":0},{"id":"seed_97b4fc8bcc930a6676442b1194f48de5","title":"Key-Value Model","order":1},{"id":"seed_846446d27cbdc457023d6071bd675ab0","title":"Graph Model","order":2},{"id":"seed_f0153b60b38dd36ddf2e0cbf94bc4571","title":"Column-Family Model","order":3},{"id":"seed_d0f7d79f10e098f5ecd28c857e54fd18","title":"Model Selection","order":4}]},{"id":"seed_2cd5459a2acd50e38ba9695f5fdb2f1f","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 4: Database Design Process","sectionOrder":4,"title":"Design Phases","order":1,"contentType":"LEARNING","contentSlug":"design-phases","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_baa80d6fba2ed13860a2ddc2b5cc4e22","title":"Requirements Analysis","order":0},{"id":"seed_943cdf7cbb0363c38ce5e3cb82719720","title":"Conceptual Design","order":1},{"id":"seed_f2bd318b34b79b803609283f659e10c8","title":"Logical Design","order":2},{"id":"seed_d5d1aa82b2e59ccf5fcfb99215074ac5","title":"Physical Design","order":3},{"id":"seed_7c8b0ac1ce16ba717bb7b476860eb152","title":"Implementation","order":4}]},{"id":"seed_7cc31f65c130e029dbc93a94cc4080e1","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 4: Database Design Process","sectionOrder":4,"title":"Requirements Gathering for Database Design","order":2,"contentType":"LEARNING","contentSlug":"dbms-requirements-gathering","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_a7427f54c73d19e779b8aca7022e98dc","title":"User Interviews: The Foundation of Requirements Gathering","order":0},{"id":"seed_2322370c54d3bddd37dc724e72bebd74","title":"Document Analysis: Mining Requirements from Existing Artifacts","order":1},{"id":"seed_caac73313b4be74623637e2de5f056ee","title":"Data Requirements: Specifying What the Database Must Store","order":2},{"id":"seed_2af218e4f687aa4c1382ad930a1469bd","title":"Functional Requirements: Defining What the Database Must Do","order":3},{"id":"seed_3e8bb03b342b001ddfdfbd1b87152b43","title":"Constraint Identification: Defining the Rules of Data Integrity","order":4}]},{"id":"seed_d1a89cbf5cf43d94fa20615c03c7eef2","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 4: Database Design Process","sectionOrder":4,"title":"Conceptual Design: From Requirements to Data Models","order":3,"contentType":"LEARNING","contentSlug":"conceptual-design","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_d0943efd08da842833cd3c6354b3cd89","title":"High-Level Modeling: The Art of Data Abstraction","order":0},{"id":"seed_9f3d5d3cd285235799ded35973006db7","title":"Entity-Relationship Diagrams: The Visual Language of Data","order":1},{"id":"seed_54d196045d999c5bbd38a019f86438a0","title":"Entity Identification: Discovering the Core of Your Data Model","order":2},{"id":"seed_067961ee04959455022702fdcbcc1f10","title":"Relationship Identification: Connecting Your Data Model","order":3},{"id":"seed_d038426b0e46ce15d04b472f70156edc","title":"Initial Schema: Assembling the Complete Conceptual Model","order":4}]},{"id":"seed_723f913488333e7d2eca86e439a3744c","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 4: Database Design Process","sectionOrder":4,"title":"Logical Design: From Concepts to Schemas","order":4,"contentType":"LEARNING","contentSlug":"logical-design","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_72c58ea9c72a633681bf7d2fef744fff","title":"Conceptual to Logical Mapping","order":0},{"id":"seed_732cd0c052f437051566f0ede1a5469e","title":"Relational Schema","order":1},{"id":"seed_85cc97ece786f0c6be8e60685301b796","title":"Normalization","order":2},{"id":"seed_0ae41dd66550bb266b1f6775d21d2dc1","title":"Constraint Specification","order":3},{"id":"seed_3f6f6ae7a560e871d1fd83c4d9e62bbf","title":"Refinement","order":4}]},{"id":"seed_b28583174ada5b870df9cd0c460ecddd","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 4: Database Design Process","sectionOrder":4,"title":"Physical Design","order":5,"contentType":"LEARNING","contentSlug":"physical-design","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_745ae63a71377e534863af43ce4639a0","title":"Storage Structures","order":0},{"id":"seed_8d10e0921192cad500a5b3dafc8d0227","title":"Index Selection","order":1},{"id":"seed_2d6b23e5d871679ac93925685275351c","title":"Partitioning","order":2},{"id":"seed_f633158f25997bf2ff0e6b3557898cd4","title":"Denormalization Decisions","order":3},{"id":"seed_ef2db1ea88f1cd48c41bd03f50532688","title":"Performance Considerations","order":4}]},{"id":"seed_e5604684959857a0c510f7da5882fc3d","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 4: Database Design Process","sectionOrder":4,"title":"Database Design Methodologies","order":6,"contentType":"LEARNING","contentSlug":"design-methodologies","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_4d8acc047613be21c6e303cb6a78e7ba","title":"Top-Down Design: From Enterprise Vision to Implementation","order":0},{"id":"seed_5965b0af507c2febeffb0800a361e9f1","title":"Bottom-Up Design: From Data Reality to Enterprise Integration","order":1},{"id":"seed_7377352bbeedb91de1f36422a57a4a6c","title":"Inside-Out Design: From Core Entities to Complete Coverage","order":2},{"id":"seed_81377a69998859205c469847b8c265ae","title":"CASE Tools and Automation in Database Design","order":3},{"id":"seed_11a4b84430e87fd9cefaa986bee6f712","title":"Best Practices in Database Design","order":4}]},{"id":"seed_471a1f7a65cf5fca1d0b53ef6aa99725","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 5: Relational Model Fundamentals","sectionOrder":5,"title":"Relations and Tables: The Foundation of Relational Databases","order":1,"contentType":"LEARNING","contentSlug":"relations-and-tables","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_809acdb6ffdb8aa32197a2b1e0f3ed3c","title":"Relation Definition: The Formal Foundation","order":0},{"id":"seed_55b7d8b8f8e11184ee1931f6c30f6be9","title":"Mathematical Foundation: The Set-Theoretic Basis","order":1},{"id":"seed_1952a14e54a163f93f2972c9049201a9","title":"Relation as Table: From Theory to Practice","order":2},{"id":"seed_2547dccc93f199d87a4947769d3bb41d","title":"Relation Schema: Defining Structure","order":3},{"id":"seed_abb48f22e81e2d6e715425ef8a27d0d7","title":"Relation Instance: Data in Motion","order":4}]},{"id":"seed_0284b7b2ac70160b8a308c810a9edaca","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 5: Relational Model Fundamentals","sectionOrder":5,"title":"Attributes and Domains in the Relational Model","order":2,"contentType":"LEARNING","contentSlug":"attributes-and-domains","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_0651b2dd9a893114c192b82a5f978ceb","title":"Attribute Definition","order":0},{"id":"seed_d120c2458cb7bbf17c2b8e446a55ae6c","title":"Domain Concept","order":1},{"id":"seed_2d2138f78f276d314432ee35362990eb","title":"Atomic Values","order":2},{"id":"seed_896344c4d0378c9dcaa579d48bd2c827","title":"NULL Values","order":3},{"id":"seed_9847b1790e5711e10b46c0b92488b4de","title":"Domain Constraints","order":4}]},{"id":"seed_dbcc134cab6526366e28a7d22bb4f4cd","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 5: Relational Model Fundamentals","sectionOrder":5,"title":"Tuples and Rows: The Atomic Units of Relational Data","order":3,"contentType":"LEARNING","contentSlug":"tuples-and-rows","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_6af51fa566175d707e3cdcf6d9db5a7d","title":"Tuple Definition","order":0},{"id":"seed_e42fe5799ba01ea85d6913378599fe16","title":"Tuple Ordering","order":1},{"id":"seed_7a97556caa239720faa250cd284b5853","title":"Tuple Uniqueness","order":2},{"id":"seed_475ad8bde52288022a798b4c5441b52b","title":"Degree and Cardinality","order":3},{"id":"seed_bc2f08c7c675a285bda7465ae502e205","title":"Tuple Operations","order":4}]},{"id":"seed_13e920fc24748df6566bee6ad54090ee","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 5: Relational Model Fundamentals","sectionOrder":5,"title":"Keys in the Relational Model","order":4,"contentType":"LEARNING","contentSlug":"keys","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_3b5c8668d37848126f1912abb31a06b0","title":"Superkey","order":0},{"id":"seed_0396b61c59660944605d4d0603b6b6dd","title":"Candidate Key","order":1},{"id":"seed_dc138f638ccdff7abe7f5beca1fc75a5","title":"Primary Key","order":2},{"id":"seed_037423f3582b127f60635d8939878967","title":"Alternate Key","order":3},{"id":"seed_487813fb34f16034dfc646a64ce6fc80","title":"Foreign Key","order":4}]},{"id":"seed_2013fa0bc7270131498f9fe939cafa38","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 5: Relational Model Fundamentals","sectionOrder":5,"title":"Integrity Constraints in the Relational Model","order":5,"contentType":"LEARNING","contentSlug":"integrity-constraints","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_3a20a049e266b1548d0e941f3addaec2","title":"Entity Integrity","order":0},{"id":"seed_92cd311790e6fe37c1b015de02325c50","title":"Referential Integrity","order":1},{"id":"seed_1b8c86ff0cdaf94ecafb3087a60c9a52","title":"Domain Constraints","order":2},{"id":"seed_7be0d6565ae97ff26ee4c9428a8262c0","title":"Key Constraints","order":3},{"id":"seed_d3e8b755a59c0a34304e5b9c4ebb4d50","title":"Semantic Constraints","order":4}]},{"id":"seed_21047d4e5a9b168a2b270cc19e374e25","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 5: Relational Model Fundamentals","sectionOrder":5,"title":"Relational Model Notation","order":6,"contentType":"LEARNING","contentSlug":"relational-model-notation","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_0616310b8916eb4ec0dd39722c48d508","title":"Relation Schema Notation: The Language of Database Structure","order":0},{"id":"seed_84911e629341d4dc2229abe5eceb0ac0","title":"Instance Notation: Representing Actual Data","order":1},{"id":"seed_d927a95ef420bc804db2e6db58aa23b2","title":"Constraint Notation: Formalizing Data Rules","order":2},{"id":"seed_f1467afd8298f4ef82c123d1f708e935","title":"Diagrammatic Representation: Visualizing Database Structure","order":3},{"id":"seed_b198b03a4e5e3361edb56b008e20b82a","title":"Standard Conventions: Professional Notation Practices","order":4}]},{"id":"seed_2fb5e238680b2bb9e0fd28c010da8af1","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 6: Relational Algebra","sectionOrder":6,"title":"Relational Algebra Overview","order":1,"contentType":"LEARNING","contentSlug":"relational-algebra-overview","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_d6f9108687daf7f7a96e9c29aebb4807","title":"Procedural Query Language","order":0},{"id":"seed_d50ef0968d8fe2014434c2db4ec43fb4","title":"Operation Types","order":1},{"id":"seed_cf74a1b3c9fa8b7143d3995261d7d297","title":"Closure Property","order":2},{"id":"seed_0c9ee17a10ebd869b8620e0c79c3942d","title":"Expression Trees","order":3},{"id":"seed_b79f54cc51513293ef775bea94cee62a","title":"Query Equivalence","order":4}]},{"id":"seed_26769458c256421d96f6623882a734f0","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 6: Relational Algebra","sectionOrder":6,"title":"Selection and Projection","order":2,"contentType":"LEARNING","contentSlug":"selection-and-projection","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_f11e4c9b6fe566e232f9b4adc3068944","title":"Selection (σ) Operator","order":0},{"id":"seed_5ff161ac6f172df3c985694f82f7aa7d","title":"Predicate Conditions","order":1},{"id":"seed_a78a23e81d054e2f6b7a5c0f7c9b05eb","title":"Projection (π) Operator","order":2},{"id":"seed_2b58413f08f11d6a12a9161ebf9b8ae8","title":"Duplicate Elimination","order":3},{"id":"seed_ea584b0ac35948f45da0b463d50a8efe","title":"Combining Operations","order":4}]},{"id":"seed_93491553cb047d5c83d526f6c21109cc","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 6: Relational Algebra","sectionOrder":6,"title":"Set Operations in Relational Algebra","order":3,"contentType":"LEARNING","contentSlug":"set-operations","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_96ecbb9d1ff5f54d7ee8d437d059ff91","title":"Union (∪) Operation","order":0},{"id":"seed_adea43a97080e21d4bde77fd6ba35a1f","title":"Intersection (∩) Operation","order":1},{"id":"seed_33c3f05fc41e1161a9491186ad6ba782","title":"Set Difference (−) Operation","order":2},{"id":"seed_86b42e74410c04767c66a85a29eb3b00","title":"Union Compatibility","order":3},{"id":"seed_8184c759d1963e7fca47e3ca65f664d8","title":"Operation Rules","order":4}]},{"id":"seed_107a67088a66481d2342dc22dc933fb7","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 6: Relational Algebra","sectionOrder":6,"title":"Cartesian Product and Rename Operations","order":4,"contentType":"LEARNING","contentSlug":"cartesian-product-and-rename","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_d3ad9801d49a3e0e88a6656ff68f30ef","title":"Cartesian Product (×) Operator","order":0},{"id":"seed_0ec13faf6c5f644cad92af7771730940","title":"Result Size Analysis","order":1},{"id":"seed_7e5916d2ffe93751717bcd9c853b0f05","title":"Rename (ρ) Operator","order":2},{"id":"seed_aaa7bac04283aeab8a304c7633fcd2ea","title":"Attribute Renaming","order":3},{"id":"seed_5bd65b37153b5e5bf90326797b4999eb","title":"Relation Renaming","order":4}]},{"id":"seed_758e48b3afd3f70518ccb88f200e317f","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 6: Relational Algebra","sectionOrder":6,"title":"Join Operations in Relational Algebra","order":5,"contentType":"LEARNING","contentSlug":"join-operations","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_14926916c20ee42f5f229ec376f663ec","title":"Theta Join (⋈θ)","order":0},{"id":"seed_0c0ee2e2e5bfdb549a765d37668a0492","title":"Equijoin","order":1},{"id":"seed_4aafd1e7ce2f659f3c25afdd71287f77","title":"Natural Join (⋈)","order":2},{"id":"seed_19205e7358d3d719c9fd238774ebb7a2","title":"Outer Joins (⟕, ⟖, ⟗)","order":3},{"id":"seed_5c462c601ee902398e270c4c76295664","title":"Semi-Join","order":4}]},{"id":"seed_cc45c84545ec2d058862e6fe9b6a550d","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 6: Relational Algebra","sectionOrder":6,"title":"Division Operation in Relational Algebra","order":6,"contentType":"LEARNING","contentSlug":"division-operation","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_20378c85faca3ba09979c1b00c38feb7","title":"Division (÷) Concept","order":0},{"id":"seed_9673807827e8638097f23c7e8a5066a1","title":"Use Cases for Division","order":1},{"id":"seed_b5b36f07c29a6bc047d88b51bb01e773","title":"Division Algorithm","order":2},{"id":"seed_a8917c44e1bbc0dd8f0aae0cb23fff0b","title":"Implementing Division","order":3},{"id":"seed_f310820ee9ec6fad9d325c6572f7403c","title":"Complex Queries with Division","order":4}]},{"id":"seed_333a3f36b51d9d6df3b5b86edaa25263","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 7: Relational Calculus","sectionOrder":7,"title":"Calculus vs Algebra: Two Paths to Query Power","order":1,"contentType":"LEARNING","contentSlug":"calculus-vs-algebra","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_52be7d92b74743e2fca83fdc2d9ad8cf","title":"Declarative vs Procedural: The Fundamental Paradigm Divide","order":0},{"id":"seed_9fad8a524286b5d0404a0a69cdbd3f88","title":"Expressive Equivalence: The Algebraic-Calculus Unity","order":1},{"id":"seed_e9fda9db52b09dc843a10b25944b6f18","title":"Calculus Types: Tuple vs Domain Relational Calculus","order":2},{"id":"seed_e36b27ed1a5df041e894ea49800267f8","title":"Foundation for SQL: From Calculus to Query Language","order":3},{"id":"seed_78c9f9e362992b7863554b3f2c523708","title":"Comprehensive Comparison: Algebra and Calculus Face to Face","order":4}]},{"id":"seed_e78e9be7a953ee07e0f345fa2f497326","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 7: Relational Calculus","sectionOrder":7,"title":"Tuple Relational Calculus","order":2,"contentType":"LEARNING","contentSlug":"tuple-relational-calculus","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_49790fce0fcaacc57a8b6e7e71c2ae66","title":"Tuple Variables","order":0},{"id":"seed_e9c506747f8dbc837e6115708b6cf35f","title":"Range Expression","order":1},{"id":"seed_0aa97aaf38d9f5b3722fc2ae6d315670","title":"Formula Syntax","order":2},{"id":"seed_d12c5ce249c6aaeb64188d435c971bb4","title":"Atomic Formulas","order":3},{"id":"seed_9860c07bf33648a2fe310014c7c7f345","title":"Complex Formulas","order":4}]},{"id":"seed_f4f74900b77c7e6d76b7e6a6261abfe5","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 7: Relational Calculus","sectionOrder":7,"title":"Quantifiers in Relational Calculus","order":3,"contentType":"LEARNING","contentSlug":"quantifiers","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_22fe3186c66a86a607ed760f905d9b70","title":"Universal Quantifier (∀)","order":0},{"id":"seed_aa2c9a28ac21b06f152a2d4bb8eb99f5","title":"Existential Quantifier (∃)","order":1},{"id":"seed_6d728ce4ee2701af17bef686e548f553","title":"Quantifier Scope","order":2},{"id":"seed_f9dc020381e4a19f4c198f0f2b467dbc","title":"Negation","order":3},{"id":"seed_ad93047259786d766220fcdf7b669930","title":"Complex Expressions","order":4}]},{"id":"seed_1a84111368c254cbef869befe6aa14f3","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 7: Relational Calculus","sectionOrder":7,"title":"Safe Queries in Relational Calculus","order":4,"contentType":"LEARNING","contentSlug":"safe-queries","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_bf24521784e84bc0608782c07f0e0a3f","title":"Unsafe Query Problem","order":0},{"id":"seed_c206f2af8e1e15918fe989f9f9b6d770","title":"Domain Dependence","order":1},{"id":"seed_c1f3f52e534ff25ca325424af0437c1c","title":"Safety Conditions","order":2},{"id":"seed_cd5e5cf5047c6f84d6dbe2ca7cd83e6b","title":"Finite Result Guarantee","order":3},{"id":"seed_708e5211fb0f93d5cce43daed13c9c55","title":"Safe Query Examples","order":4}]},{"id":"seed_9e3f3c2206bd7fdf625401ee7e90bff9","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 7: Relational Calculus","sectionOrder":7,"title":"Domain Relational Calculus","order":5,"contentType":"LEARNING","contentSlug":"domain-relational-calculus","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_d75f650de0b93bd72b554f7cf3a81976","title":"Domain Variables: The Foundation of DRC","order":0},{"id":"seed_ac620c7620467102ae777278441c0c37","title":"DRC Syntax: The Formal Grammar","order":1},{"id":"seed_fa73b3dd33f4f14f983cb7c8c2f06829","title":"Comparison with TRC: Two Perspectives on Declarative Queries","order":2},{"id":"seed_7352d2ca5df0a6e0e268eb9164d577ef","title":"Query Examples: DRC in Practice","order":3},{"id":"seed_4ed4d8c3e8ed8b5d7ab43c469e7a7d8b","title":"QBE Connection: From Theory to Visual Interface","order":4}]},{"id":"seed_420f527a03922d327c4de82eb09f5c95","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 7: Relational Calculus","sectionOrder":7,"title":"Expressive Power of Relational Languages","order":6,"contentType":"LEARNING","contentSlug":"expressive-power","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_f384b54a7e3b5cd778794af389f9293a","title":"Relational Completeness","order":0},{"id":"seed_089f0dac47ca973a7d61bd0e17250249","title":"Codd's Theorem","order":1},{"id":"seed_7dd3b9fd6d9a4d245632f6e48503ddfd","title":"Equivalence Proof","order":2},{"id":"seed_4d5ae2865b4d7a220c2dc70f66e07b98","title":"Limitations","order":3},{"id":"seed_54dd75867ce0fc3fac37f8d0a6cf81aa","title":"Extensions","order":4}]},{"id":"seed_13af1d594b768a2920de9a5387f529f0","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 8: Er To Relational Mapping","sectionOrder":8,"title":"Mapping Overview","order":1,"contentType":"LEARNING","contentSlug":"mapping-overview","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_83f81ab155f8fb38d8abc5eba0262028","title":"ER to Relational Process","order":0},{"id":"seed_78bfb90d0bd5cfd8f7af0e23dcc6434e","title":"Mapping Algorithm","order":1},{"id":"seed_50c8cbd45b5966890136490a3f9aa1e1","title":"Design Decisions","order":2},{"id":"seed_3122438d1c3a473ad6b0720db7067e82","title":"Quality Criteria","order":3},{"id":"seed_bb4e22505fade7b32042e1357b239f5c","title":"Common Patterns","order":4}]},{"id":"seed_2baf425e10bf5bca499085fed5d8fd9c","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 8: Er To Relational Mapping","sectionOrder":8,"title":"Entity Mapping","order":2,"contentType":"LEARNING","contentSlug":"entity-mapping","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_62078162de3eaa217b659d8b20ca5f7a","title":"Regular Entity Mapping","order":0},{"id":"seed_3778b03b08fe32d77a3411247dd76011","title":"Composite Attributes","order":1},{"id":"seed_0bceeb85e659313b13acfb91012e8b11","title":"Multivalued Attributes","order":2},{"id":"seed_88264f1c1de9fad453e4467ec02ba91b","title":"Derived Attributes","order":3},{"id":"seed_7f91cb351ff8972a474bf1a165e22fed","title":"Key Attributes","order":4}]},{"id":"seed_b551932b690f1956bdb0d0f8dcc5bc0b","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 8: Er To Relational Mapping","sectionOrder":8,"title":"Mapping One-to-One Relationships","order":3,"contentType":"LEARNING","contentSlug":"relationship-mapping-1-1","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_271a19886dc60b6062b482a7e4a4c0bd","title":"One-to-One Relationships","order":0},{"id":"seed_3e16a37be1a199f01753cc7459ef0551","title":"Foreign Key Approach","order":1},{"id":"seed_635b298e4074b57fbc62472b8e7de7e9","title":"Merged Table Approach","order":2},{"id":"seed_a84c235a5dee5405911898dcad321a98","title":"Deciding Factor","order":3},{"id":"seed_7edf68b460bffa7deb6f03cd1db5c07d","title":"Examples","order":4}]},{"id":"seed_df6b0d490c9da4bf760dfa61e3d0576f","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 8: Er To Relational Mapping","sectionOrder":8,"title":"Mapping One-to-Many Relationships to Relations","order":4,"contentType":"LEARNING","contentSlug":"relationship-mapping-1n","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_da45fc7702fe235d50ad0c0c22a2a47c","title":"One-to-Many Relationships","order":0},{"id":"seed_a994d09323f1e6cad33ce6f7b9a912cf","title":"Foreign Key on N-Side","order":1},{"id":"seed_df1f369b4c05cad05eaf5ecd6bc0e847","title":"Participation Constraints","order":2},{"id":"seed_b4a203a206961503edab2daa5acce4ec","title":"Referential Integrity","order":3},{"id":"seed_4c039505fd8b497315daeb8079125800","title":"Examples","order":4}]},{"id":"seed_9436035cbbc8cfee7c219a46c8c2ddc4","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 8: Er To Relational Mapping","sectionOrder":8,"title":"Relationship Mapping (M:N)","order":5,"contentType":"LEARNING","contentSlug":"relationship-mapping-mn","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_83aa9ccbf43435fc1313ff3a0a15f0fa","title":"Many-to-Many Relationships","order":0},{"id":"seed_88ac84faa6e69e129f05d763277ff143","title":"Bridge/Junction Table","order":1},{"id":"seed_b666bf95b57c333733fbe1677a665155","title":"Composite Key","order":2},{"id":"seed_9c8e549c71bdeadbd4ae167ac92529b3","title":"Relationship Attributes","order":3},{"id":"seed_838a3ea606251eb8a066bec5908959d0","title":"Examples","order":4}]},{"id":"seed_51242d61441270d44d73a824e4124280","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 8: Er To Relational Mapping","sectionOrder":8,"title":"Specialization Mapping: ER to Relational","order":6,"contentType":"LEARNING","contentSlug":"specialization-mapping","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_bd780b091c322b858c1762205aa1a73f","title":"Mapping Options: Strategies for Specialization Hierarchies","order":0},{"id":"seed_0c488f5bfa072fb8ff247820be13f521","title":"Single Table Approach: Unified Hierarchy Storage","order":1},{"id":"seed_940c41a5a040d76f9ad61e5f976f2de6","title":"Multiple Table Approach: Normalized Hierarchy Storage","order":2},{"id":"seed_332f7240b367e1dc83ed007121d641ff","title":"Hybrid Approach: Strategic Combination of Patterns","order":3},{"id":"seed_897fa197f7b2a46e20bd10d03e5c88ef","title":"Trade-offs Analysis: Comprehensive Comparison and Selection Framework","order":4}]},{"id":"seed_a1b1af904cf3c2be73b1945a1a74f972","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 9: Er Model Fundamentals","sectionOrder":9,"title":"ER Model Overview","order":1,"contentType":"LEARNING","contentSlug":"er-model-overview","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_7816b61d3537a0105bdc30ed9361c05b","title":"ER Model History","order":0},{"id":"seed_1f7c60198789af0d5e5fcb75dc20bd2b","title":"Conceptual Modeling","order":1},{"id":"seed_3296adb51aea78061ce306c668f2d4f6","title":"ER Diagram Components","order":2},{"id":"seed_db15a679b0e85ecfd8723528a6b9c13d","title":"Modeling Process","order":3},{"id":"seed_bc54be30c185f98d9a7bc2a58546bcc9","title":"Benefits of ER Modeling","order":4}]},{"id":"seed_1055d82f813b6dd382609ef040a79889","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 9: Er Model Fundamentals","sectionOrder":9,"title":"Entities and Entity Sets","order":2,"contentType":"LEARNING","contentSlug":"entities-and-entity-sets","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_167b840d30d3c3705799668c1ba115ca","title":"Entity Definition","order":0},{"id":"seed_291c3121da9a2b56c95e69f9a22991d0","title":"Entity Set","order":1},{"id":"seed_0e18c03d066377d0fbf6242b701cc2c0","title":"Entity Type","order":2},{"id":"seed_ff96e0c323317631ccec0fdc53a974a5","title":"Entity Instance","order":3},{"id":"seed_80b777887af5eae60c7ac21003357c4d","title":"Naming Conventions","order":4}]},{"id":"seed_0f280188149562f962c59e851922b5d0","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 9: Er Model Fundamentals","sectionOrder":9,"title":"Attributes in ER Modeling","order":3,"contentType":"LEARNING","contentSlug":"attributes","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_6189571c917b799fc44c29d45ddd012e","title":"Simple Attributes","order":0},{"id":"seed_713c80e30bba869df37006e2616644cc","title":"Composite Attributes","order":1},{"id":"seed_34bc69579ba78729dfe483773b51a6ad","title":"Multivalued Attributes","order":2},{"id":"seed_afd84bf44905e9750ba0b73b7ae27156","title":"Derived Attributes","order":3},{"id":"seed_b3a6708263337c0c04954fe2adb45fb8","title":"Key Attributes","order":4}]},{"id":"seed_96ef23aacc392e96d728e2e8a78f721b","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 9: Er Model Fundamentals","sectionOrder":9,"title":"Relationships in ER Modeling","order":4,"contentType":"LEARNING","contentSlug":"er-relationships","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_145a3a730bb9ebd4b0d8597ce8b0b965","title":"Relationship Definition","order":0},{"id":"seed_7ae4f6a1b65f442fe6953fb4f7ea1072","title":"Relationship Set","order":1},{"id":"seed_6439b5863049c562e7fc49506283f744","title":"Relationship Type","order":2},{"id":"seed_eace64192b16a4a694d4daed532a6fe7","title":"Degree of Relationship","order":3},{"id":"seed_56d9f54876a298bfc06a7ce975afddc2","title":"Relationship Attributes","order":4}]},{"id":"seed_752246d0708ea44781d278811162a079","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 9: Er Model Fundamentals","sectionOrder":9,"title":"Cardinality in ER Modeling","order":5,"contentType":"LEARNING","contentSlug":"cardinality","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_3574fd73a3aafbc027550844576b991c","title":"One-to-One (1:1) Cardinality","order":0},{"id":"seed_d2d3eebc7a82a4e278a0031b29e38033","title":"One-to-Many (1:N) Cardinality","order":1},{"id":"seed_41aae0e2e904048dc7f7966e42910b29","title":"Many-to-Many (M:N) Cardinality","order":2},{"id":"seed_f928bfb68045d059a2c483579072967b","title":"Notation Styles","order":3},{"id":"seed_20163c95a8423e23fca7d13928fc0eb9","title":"Minimum Cardinality","order":4}]},{"id":"seed_a9efc7b295d686be0ba9b05ff45c1f5e","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 9: Er Model Fundamentals","sectionOrder":9,"title":"Participation Constraints in ER Modeling","order":6,"contentType":"LEARNING","contentSlug":"participation-constraints","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_2a1186dab3e42fd3b1515689d9cc3c36","title":"Total Participation","order":0},{"id":"seed_d3e7fda73ac9aa590c79589a0b04b7a2","title":"Partial Participation","order":1},{"id":"seed_02e95d60941767287b86e932a4968a42","title":"Notation","order":2},{"id":"seed_736decef6583c469cdb257428643eb19","title":"Business Rules","order":3},{"id":"seed_be7355deac747812f905da2e8b033319","title":"Constraint Modeling","order":4}]},{"id":"seed_66f234d244cdb11cc9e6b8bdb3c7f3af","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 10: Advanced Er Concepts","sectionOrder":10,"title":"Weak Entities in ER Modeling","order":1,"contentType":"LEARNING","contentSlug":"weak-entities","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_02867af552e696a0c59c3bf080823fdb","title":"Weak Entity Definition","order":0},{"id":"seed_c181ee5a4caa03226deb5780d0b43bc4","title":"Identifying Relationship","order":1},{"id":"seed_f0ff22b13552f454c0b0e267cf30959f","title":"Partial Key (Discriminator)","order":2},{"id":"seed_e149ee4352e28925cab3172dc82923a8","title":"Total Participation Constraint","order":3},{"id":"seed_885806624fef93dfde2507fdb987094c","title":"Mapping Weak Entities to Relational Schema","order":4}]},{"id":"seed_2cb50cebe7f1554507777095ee312b19","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 10: Advanced Er Concepts","sectionOrder":10,"title":"Identifying Relationships in ER Modeling","order":2,"contentType":"LEARNING","contentSlug":"identifying-relationships","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_857782a51414cbccba3deba3ead57789","title":"Owner Entity","order":0},{"id":"seed_f4420c43dfffa01a77f7f28cc7bcb86e","title":"Dependent Entity","order":1},{"id":"seed_2440d48e71447dace03694d24d429a42","title":"Discriminator","order":2},{"id":"seed_73951138c126acfa903064e5b5b8a464","title":"Composite Key Formation","order":3},{"id":"seed_e4edcfdf80a19e802217ff66c191df99","title":"Examples","order":4}]},{"id":"seed_ec570d6052b3efdc20b413918989dd02","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 10: Advanced Er Concepts","sectionOrder":10,"title":"Ternary Relationships","order":3,"contentType":"LEARNING","contentSlug":"ternary-relationships","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_6a3a3e895e5ddf0dc6764991e81f914d","title":"Three-Way Relationships","order":0},{"id":"seed_f46c559f2effa277ea3f2526265cdf2d","title":"Cardinality in Ternary Relationships","order":1},{"id":"seed_08ad308576267f977e1384bee697b7ec","title":"When to Use Ternary Relationships","order":2},{"id":"seed_106848e1b1a13e4b666789874200de53","title":"Decomposition Options","order":3},{"id":"seed_391fc90f23f0d8cd46fcc22b57f568ab","title":"Ternary Relationship Examples","order":4}]},{"id":"seed_6e712929173f4463caad029c817ebbda","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 10: Advanced Er Concepts","sectionOrder":10,"title":"Self-Referential Relationships","order":4,"contentType":"LEARNING","contentSlug":"self-referential-relationships","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_6fbfdf02156c87a3ca7ec26d2402ebe6","title":"Recursive Relationships","order":0},{"id":"seed_db4d54d003ced3801b0475858e2b5408","title":"Role Names","order":1},{"id":"seed_72a7f07cb832449a614ca1c718eae7a7","title":"Unary Relationships","order":2},{"id":"seed_49872d7bf2ad811d2abd8d8069d138bf","title":"Hierarchies","order":3},{"id":"seed_f923a82cb05b8a498735a6dfe206e7ac","title":"Examples (Employee-Manager)","order":4}]},{"id":"seed_a786fe13ec98d60df135a7cbf1771cf2","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 10: Advanced Er Concepts","sectionOrder":10,"title":"Aggregation","order":5,"contentType":"LEARNING","contentSlug":"aggregation","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_4fa95b91182ec2250bba97009382e3d1","title":"Aggregation Concept","order":0},{"id":"seed_9239866c089d4441f2eb6d85792fbb0c","title":"Relationship Involving Relationship","order":1},{"id":"seed_00fe920beb5f45a49e77a2c5dcd6aefd","title":"Notation","order":2},{"id":"seed_92188548d0f2847dcc935ae9f230f958","title":"Use Cases","order":3},{"id":"seed_784166628299776e3bbe2e219a85a3db","title":"Mapping Aggregation","order":4}]},{"id":"seed_a63e876eab1a63d0b01b1690f1a86f9d","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 10: Advanced Er Concepts","sectionOrder":10,"title":"ER Diagram Best Practices","order":6,"contentType":"LEARNING","contentSlug":"er-diagram-best-practices","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_850b849f3ba39977684153dc442578b0","title":"Naming Conventions","order":0},{"id":"seed_d58e2e520921a9efd72f7eb3f6495075","title":"Diagram Layout","order":1},{"id":"seed_ee7d595165d41367b84aaeaab03ee6f2","title":"Documentation","order":2},{"id":"seed_dd359e719aa3823104746db9ac016e53","title":"Common Mistakes","order":3},{"id":"seed_0403d48a89234f074303eaf42bf64c82","title":"Review Checklist","order":4}]},{"id":"seed_9bfd863087bc36d52caf8031640d88ed","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 11: Enhanced Er","sectionOrder":11,"title":"Specialization in Enhanced ER Modeling","order":1,"contentType":"LEARNING","contentSlug":"specialization","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_d91899615b7ef4efff1df4f1ca777872","title":"The Specialization Concept: Top-Down Refinement in Data Modeling","order":0},{"id":"seed_55211bb47583e22526dfb2236c8c1eb9","title":"Subtype Creation: Building Specialization Hierarchies","order":1},{"id":"seed_9af7ff9e5e65a3092f17c92c546c6e2c","title":"Attribute Inheritance: The Power of Hierarchical Property Propagation","order":2},{"id":"seed_91a01b31527062425de6334893f6430e","title":"Local Attributes: Defining Subtype-Specific Characteristics","order":3},{"id":"seed_7752c1cb3310d27f619030a043fb6a58","title":"Notation: Visual Language for Specialization Hierarchies","order":4}]},{"id":"seed_e28d827917911c7d96a2df4b4b09950a","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 11: Enhanced Er","sectionOrder":11,"title":"Inheritance in Enhanced ER Modeling","order":2,"contentType":"LEARNING","contentSlug":"eer-inheritance","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_3076ea95c017613778c4759f916487d2","title":"Attribute Inheritance","order":0},{"id":"seed_a46ffbb84acd2045ff6ad90ebc6c5dc4","title":"Relationship Inheritance","order":1},{"id":"seed_311ef68412e11b6722ab3cadcf1f870b","title":"Multiple Inheritance","order":2},{"id":"seed_b74d29391b9bd6584a821efcfb7c911b","title":"Inheritance Hierarchy","order":3},{"id":"seed_44f4b00fd5fb92deae49ae8949fb29ff","title":"Mapping Inheritance","order":4}]},{"id":"seed_7f1276cebef4e9fbcaa0842c530021e4","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 11: Enhanced Er Eer","sectionOrder":12,"title":"Enhanced Entity-Relationship Model Overview","order":1,"contentType":"LEARNING","contentSlug":"eer-overview","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_418f0b887cff4cd6c8f4de6287c56860","title":"EER Extensions: Beyond Basic Entity-Relationship Modeling","order":0},{"id":"seed_f6232e9f0df1a9e593e5049375624288","title":"Semantic Modeling: Capturing Meaning in Data","order":1},{"id":"seed_6a96777df987f401ddad15dc47a70c96","title":"Object Concepts: EER and Object-Oriented Paradigms","order":2},{"id":"seed_1597c9586797842f8123d9e7a132fa02","title":"UML Relationship: EER and Unified Modeling Language","order":3},{"id":"seed_aa1f0b7b4ad437abd36a825a162cd259","title":"When to Use EER: Practical Decision Guidelines","order":4}]},{"id":"seed_d6891fa1ec6f8a691210c067fd2e16fa","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 11: Enhanced Er Eer","sectionOrder":12,"title":"Generalization in EER Modeling","order":2,"contentType":"LEARNING","contentSlug":"generalization","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_788314e62795968d9765a27958293d6c","title":"Generalization Concept","order":0},{"id":"seed_7dc8185dbfd0cde3213caa68c07c5e75","title":"Bottom-Up Approach","order":1},{"id":"seed_3e131ac99c1daf5d306f37590ab495f2","title":"Common Attributes","order":2},{"id":"seed_f73bbf22555de6055b33f553d5085ddf","title":"Supertype Creation","order":3},{"id":"seed_5f8dc15a5e048cd7d663436468e78e76","title":"Comparison with Specialization","order":4}]},{"id":"seed_79a056630e3120dfca4ba3e79ee61fc3","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 11: Enhanced Er Eer","sectionOrder":12,"title":"Constraints on Specialization","order":3,"contentType":"LEARNING","contentSlug":"constraints-on-specialization","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_3e88ef1e0ad4c5118a26dfc590dfd3cc","title":"Disjoint vs Overlapping Constraints","order":0},{"id":"seed_616596dafc20de044e933d2cb88552cb","title":"Total vs Partial Participation Constraints","order":1},{"id":"seed_aac4fdfa2dd2039f15f7858fcf81b410","title":"Constraint Combinations","order":2},{"id":"seed_c0e463b7d9b6ebd1142c50b640ac7893","title":"Notation for Specialization Constraints","order":3},{"id":"seed_38c6a7da3e91c02a159d3cc7aa4c6cb1","title":"Business Rule Modeling with Specialization Constraints","order":4}]},{"id":"seed_d50186f589b47f7c7674f318a57d03e2","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 11: Enhanced Er Eer","sectionOrder":12,"title":"Categories and Union Types in EER Modeling","order":4,"contentType":"LEARNING","contentSlug":"categories-union-types","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_5f8ced1149c8c58537ed232dbb7beea7","title":"Category Definition","order":0},{"id":"seed_e456b8cb4dbc26529d61cf622966d785","title":"Selective Inheritance in Categories","order":1},{"id":"seed_d90fa689de0ae6af3388e2daffe823a6","title":"Partial Categories","order":2},{"id":"seed_92034781dce7d805454d9c6ad684e984","title":"Total Categories","order":3},{"id":"seed_d25306f1d8a5ded099f8bb1eb76362b2","title":"Mapping Categories to Relational Schemas","order":4}]},{"id":"seed_f415e93638503de638a2c9864d96c704","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 12: Sql Fundamentals","sectionOrder":13,"title":"SQL Overview","order":1,"contentType":"LEARNING","contentSlug":"sql-overview","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_03e105e54ba1bcc80c3cef57409566af","title":"SQL History","order":0},{"id":"seed_d48837d28bcd94002f0fa788ea813029","title":"SQL Standards","order":1},{"id":"seed_46494b154301bb9f9b09419444432144","title":"SQL Characteristics","order":2},{"id":"seed_03f21bc44ff1d2ec929ea065f1df24c9","title":"SQL vs Programming Languages","order":3},{"id":"seed_251f1c7b5e4b4f40c1377b1dfc5873cb","title":"SQL Implementations","order":4}]},{"id":"seed_665bcfa0498183bc7576ac6f72d185e2","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 12: Sql Fundamentals","sectionOrder":13,"title":"Data Definition Language (DDL)","order":2,"contentType":"LEARNING","contentSlug":"data-definition-language-ddl","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_b3007f6213577aab259b05c846833699","title":"CREATE TABLE: Building the Foundation of Relational Databases","order":0},{"id":"seed_a55bf726f1d1989316d77cf4f6f9b293","title":"ALTER TABLE: Evolving Database Schemas","order":1},{"id":"seed_94a41b3390ea3b3a7acf21930ff2728a","title":"DROP TABLE: Removing Database Structures","order":2},{"id":"seed_43f1a6d550899c2aa21f42c6829241da","title":"TRUNCATE: High-Speed Data Removal","order":3},{"id":"seed_a8d6e0b0e8219cb8e0fbb780e085ca0a","title":"Schema Operations: Organizing Database Objects","order":4}]},{"id":"seed_355c7573f46d6eb96edd221f9c038644","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 12: Sql Fundamentals","sectionOrder":13,"title":"SQL Data Types","order":3,"contentType":"LEARNING","contentSlug":"sql-data-types","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_be69d91d94f26d3b9973cfaf576d895e","title":"Numeric Types","order":0},{"id":"seed_c29597b7f00f7bd22a06f3da78c00f4c","title":"Character Types","order":1},{"id":"seed_d7f3c6bf5cc3079a1b81908879c4c498","title":"Date/Time Types","order":2},{"id":"seed_a8ba5bf9f47697a0bea3337e60faf0bf","title":"Boolean","order":3},{"id":"seed_103f20950545e9b792f7413f6b7ff7d1","title":"Vendor-Specific Types","order":4}]},{"id":"seed_d95c8c8b390655663cc774ee911928bc","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 12: Sql Fundamentals","sectionOrder":13,"title":"Constraints in DDL","order":4,"contentType":"LEARNING","contentSlug":"constraints-in-ddl","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_ad9ac2880c3361ebde8691e033765237","title":"PRIMARY KEY Constraint","order":0},{"id":"seed_be75c8c70be22f42b412c42bcc62cb24","title":"FOREIGN KEY Constraint","order":1},{"id":"seed_bb2de47031978f2e0499040cb53bee34","title":"UNIQUE Constraint","order":2},{"id":"seed_e4d2e9c60b01649f3cd360c30e43efb3","title":"NOT NULL Constraint","order":3},{"id":"seed_6cbe75a89bd74c64b89487027b00497e","title":"CHECK Constraint","order":4}]},{"id":"seed_c052af174f2a4c94bd8fc8b7ffaea988","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 12: Sql Fundamentals","sectionOrder":13,"title":"Data Manipulation Language (DML)","order":5,"contentType":"LEARNING","contentSlug":"data-manipulation-language","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_2d2d7e1424d784fae2ccb6027ec79223","title":"INSERT Statement","order":0},{"id":"seed_6098e1546c1f98a2ca985e0bd42c69de","title":"UPDATE Statement","order":1},{"id":"seed_d8bad9c144221c69d57b29639a4fb1bc","title":"DELETE Statement","order":2},{"id":"seed_23b4637e899bac928a47997afafbe871","title":"MERGE (UPSERT) Statement","order":3},{"id":"seed_e7f1fb863525ae02285b32c0d2e33809","title":"Bulk Operations","order":4}]},{"id":"seed_add9eb26db30fda4dab7f4e59de98313","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 12: Sql Fundamentals","sectionOrder":13,"title":"SQL Execution Flow","order":6,"contentType":"LEARNING","contentSlug":"sql-execution-flow","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_d17888f8d12f41dd1c13352aa79f98da","title":"Query Parsing","order":0},{"id":"seed_4c088ca80754d593efc03b4caa7cde73","title":"Query Optimization","order":1},{"id":"seed_180ba794831cdd548c5696473dbcdc09","title":"Execution Plan","order":2},{"id":"seed_a058b016476f9a82e44b6b32e0647ba3","title":"Result Retrieval","order":3},{"id":"seed_a486c111c1c4bf1cac7a347674d75636","title":"Understanding Execution","order":4}]},{"id":"seed_23a9fc1673548577388bb7fdada8ca76","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 13: Sql Queries","sectionOrder":14,"title":"SELECT Basics: Mastering Data Retrieval","order":1,"contentType":"LEARNING","contentSlug":"select-basics","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_acdc0513fec4b2b8b309cc5fe5229bc3","title":"The SELECT Clause: Foundation of Data Retrieval","order":0},{"id":"seed_14039ebe6fdf25d867c99582098ba110","title":"The FROM Clause: Specifying Data Sources","order":1},{"id":"seed_256313be7032f7fa88fd9240f14b52a3","title":"Column Selection: Precise Data Retrieval","order":2},{"id":"seed_5757293bbca695fe8ea8001712e65d73","title":"All Columns (*): The Asterisk Operator","order":3},{"id":"seed_ded96810261ec12aa3a749d95e48f423","title":"Expressions: Computing Values in SELECT","order":4}]},{"id":"seed_82072d918659a1f8c14fcb3f7428fc68","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 13: Sql Queries","sectionOrder":14,"title":"The WHERE Clause: Filtering Data with Precision","order":2,"contentType":"LEARNING","contentSlug":"where-clause","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_9ec3618d3c301aa0eecd297536d96936","title":"Filtering Rows: The Foundation of Data Selection","order":0},{"id":"seed_5a64b91a649505a2521533902992b0a9","title":"Comparison Operators: The Building Blocks of Predicates","order":1},{"id":"seed_d869c55295b648edbddadebd451aa5e1","title":"BETWEEN: Elegant Range Queries","order":2},{"id":"seed_db4b25d1a22f54c1d003ca646a7e0e77","title":"IN: Testing Set Membership","order":3},{"id":"seed_a96f1850d38271c6b96a71d77bc0a658","title":"LIKE Patterns: Flexible String Matching","order":4}]},{"id":"seed_65cbdd309c8ba06546eef1825843f8d9","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 13: Sql Queries","sectionOrder":14,"title":"NULL Handling in SQL","order":3,"contentType":"LEARNING","contentSlug":"null-handling","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_8d05af3a3a835c0ea0d2dcf83ac1981a","title":"NULL Meaning: Understanding the Absence of Data","order":0},{"id":"seed_7ac883a1b8dd34a6ae2158afa2cf011a","title":"IS NULL: Detecting Missing Values","order":1},{"id":"seed_609598ddf807b09d8a8c5220f7f9c00b","title":"IS NOT NULL: Confirming Data Presence","order":2},{"id":"seed_b761ff090f711d39dceb22e72f35db1b","title":"Three-Valued Logic: The Foundation of NULL Behavior","order":3},{"id":"seed_d9328b59bbcc12d4decf2dcd203233ff","title":"COALESCE and NVL: Providing Default Values","order":4}]},{"id":"seed_df2ebe381f8fa3a836f266cd5f6ee2db","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 13: Sql Queries","sectionOrder":14,"title":"Logical Operators","order":4,"contentType":"LEARNING","contentSlug":"logical-operators","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_b54a8439f143df81980591a8bc8b5e4b","title":"AND Operator","order":0},{"id":"seed_6cbb3a5dadd1802aa408a7a3f9fb2150","title":"OR Operator","order":1},{"id":"seed_00f356c2738acc4c0ccfe46b813c17bd","title":"NOT Operator","order":2},{"id":"seed_158c4332e6b5f0d28ece699a425582e8","title":"Operator Precedence","order":3},{"id":"seed_c0a36be75828cb0a331313ef6c7cb633","title":"Complex Conditions","order":4}]},{"id":"seed_e467d144e6450bca62305ab2593b781c","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 13: Sql Queries","sectionOrder":14,"title":"ORDER BY: Mastering Result Set Ordering","order":5,"contentType":"LEARNING","contentSlug":"order-by","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_f4ca8af826555bf106ce3b76a801cd54","title":"Sorting Results: The Foundation of Ordered Data Retrieval","order":0},{"id":"seed_f5993147400bf1bbc67bcb25a3c6baf0","title":"ASC and DESC: Mastering Sort Direction Control","order":1},{"id":"seed_54e12f2c8c237d78ed68bb02a3725d30","title":"Multiple Columns: Hierarchical Sorting and Tie-Breaking","order":2},{"id":"seed_1782fc7cb021af3a8d1831a99ca03a3c","title":"NULL Ordering: Mastering the Unknown in Sorted Results","order":3},{"id":"seed_9aba57655566bdec9e58b429cced4ddf","title":"Expression Ordering: Dynamic and Computed Sort Values","order":4}]},{"id":"seed_463511e8c113db42baafbe18ba165e9a","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 13: Sql Queries","sectionOrder":14,"title":"DISTINCT and LIMIT: Controlling Result Sets","order":6,"contentType":"LEARNING","contentSlug":"distinct-and-limit","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_d369ed44c563500ada9e0af51b6e3576","title":"Eliminating Duplicates","order":0},{"id":"seed_01917e3645ba8bcd5e0c7167e09e0a6a","title":"DISTINCT Clause","order":1},{"id":"seed_580e78a5226a42269e736da08879a63c","title":"LIMIT, TOP, and FETCH FIRST","order":2},{"id":"seed_79be1696059f5f48125e14373d79ff87","title":"OFFSET: Skipping Rows","order":3},{"id":"seed_569ddd5764c796994041c730178a2009","title":"Pagination: Complete Implementation Guide","order":4}]},{"id":"seed_1d18d91af4aefe343ebf3fd3626212ad","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 13: Sql Queries","sectionOrder":14,"title":"Category Discounted Product Pricing","order":7,"contentType":"PROBLEM","contentSlug":"category-discounted-product-pricing","description":null,"estimatedMins":20,"createdAt":"2026-10-17T16:02:58.914Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[]},{"id":"seed_5e944991962a4e68690f482f840a3794","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 13: Sql Queries","sectionOrder":14,"title":"Customer Referral Eligibility","order":8,"contentType":"PROBLEM","contentSlug":"customer-referral-eligibility","description":null,"estimatedMins":20,"createdAt":"2026-10-17T16:02:58.914Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[]},{"id":"seed_a8d24e0917fd4d91a7822e59be428470","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 13: Sql Queries","sectionOrder":14,"title":"Employee Low Bonus Audit","order":9,"contentType":"PROBLEM","contentSlug":"employee-low-bonus-audit","description":null,"estimatedMins":20,"createdAt":"2026-10-17T16:02:58.914Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[]},{"id":"seed_8ad396e605585c58a02aa730903fc125","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 13: Sql Queries","sectionOrder":14,"title":"Large-Country Screening Report","order":10,"contentType":"PROBLEM","contentSlug":"large-country-screening-report","description":null,"estimatedMins":20,"createdAt":"2026-10-17T16:02:58.914Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[]},{"id":"seed_a422a4a5ed453d6441702428626f3a9f","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 14: Sql Joins And Subqueries","sectionOrder":15,"title":"Join Concepts","order":1,"contentType":"LEARNING","contentSlug":"join-concepts","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_1e38b5921528025106a26c4f089be1cb","title":"Combining Tables","order":0},{"id":"seed_dcb5ce4b175415c957f779406b0d1b19","title":"Join Condition","order":1},{"id":"seed_bbc6131db378c14a087179a9f72414a7","title":"Join Types Overview","order":2},{"id":"seed_539cb990795374d6c31333ef9bf3ecf7","title":"Table Aliases","order":3},{"id":"seed_0001c1cac7cca78eb6f52ebbdb1afab6","title":"Join Syntax Variations","order":4}]},{"id":"seed_a7016a76decf5e3b3a8a14334c707822","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 14: Sql Joins And Subqueries","sectionOrder":15,"title":"Mastering Inner Joins in SQL","order":2,"contentType":"LEARNING","contentSlug":"inner-join","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_781692f47c6df7e679c40e142dbed5c9","title":"INNER JOIN Syntax","order":0},{"id":"seed_2b732df663b65e3d43f6363984a3fa55","title":"Matching Rows Only","order":1},{"id":"seed_88dd7a26daed2bbe4082eef5f643c393","title":"Multiple Conditions","order":2},{"id":"seed_94ed1e7fd34ec5ad357e57fb1022715e","title":"Multiple Tables","order":3},{"id":"seed_084222a14e232d4e40a5d11a15b96358","title":"Self-Join","order":4}]},{"id":"seed_ec250c0c2bb628f30841a1e745b30312","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 14: Sql Joins And Subqueries","sectionOrder":15,"title":"Outer Joins: Preserving Unmatched Data","order":3,"contentType":"LEARNING","contentSlug":"outer-joins","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_cd68642245802556a2ba1adbac9af7c6","title":"LEFT OUTER JOIN: The Essential Outer Join","order":0},{"id":"seed_a764a85d63a72bb9e8f74fc284f9afbf","title":"RIGHT OUTER JOIN: The Symmetric Counterpart","order":1},{"id":"seed_c34a2514ab51ce542c1a2f62b82c44c9","title":"FULL OUTER JOIN: Complete Data Preservation","order":2},{"id":"seed_72c090902335daaf96e71734e7e67f7d","title":"Preserving Unmatched Rows: The Heart of Outer Joins","order":3},{"id":"seed_ff7560d9663a0640b55f5802ee2656fc","title":"NULL in Results: Mastering Outer Join Output","order":4}]},{"id":"seed_7c7470b36a63892aa7a582fb494fe290","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 14: Sql Joins And Subqueries","sectionOrder":15,"title":"Other Join Types: Beyond Basic Joins","order":4,"contentType":"LEARNING","contentSlug":"other-join-types","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_dda8b33ed8ad52def554cdd3375ee89c","title":"CROSS JOIN: The Cartesian Product","order":0},{"id":"seed_8b40482a31bf2a4b16cf9f6d72f25766","title":"NATURAL JOIN: Implicit Column Matching","order":1},{"id":"seed_1191dc4ed2af87df0d85b58e69975e57","title":"USING Clause: Explicit Column-Based Joins","order":2},{"id":"seed_6e98919b9c670a12bf7f1e09970c8458","title":"Non-Equi Joins: Beyond Equality Conditions","order":3},{"id":"seed_e6700cbb983c7dba452c10a5c1a89edf","title":"Self-Referential Joins: Joining a Table to Itself","order":4}]},{"id":"seed_8c1030fbf8d19d7936e6d3c079fd6425","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 14: Sql Joins And Subqueries","sectionOrder":15,"title":"SQL Subqueries: Nested Query Power","order":5,"contentType":"LEARNING","contentSlug":"subqueries","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_421fe41bfb458b5c0174c26f314c6ca5","title":"Subquery Concept","order":0},{"id":"seed_fde6d43cf322a416d7b09e0b7aa95757","title":"Scalar Subqueries","order":1},{"id":"seed_8d38694ba34e4a2e004b55affecf307f","title":"Row Subqueries","order":2},{"id":"seed_a7de727efd7ef30cb2ec6ff5db81a485","title":"Table Subqueries","order":3},{"id":"seed_f0d7fdff14a282cb8cf1642b3729750f","title":"Subquery Placement","order":4}]},{"id":"seed_00b0aac1d35211063bbc86f1078cfe74","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 14: Sql Joins And Subqueries","sectionOrder":15,"title":"Correlated Subqueries","order":6,"contentType":"LEARNING","contentSlug":"correlated-subqueries","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_f34614fde2e25bec98eca03df3f18b2b","title":"Correlation Concept","order":0},{"id":"seed_87b6700a910a5b59d74294197919bc2e","title":"EXISTS Operator","order":1},{"id":"seed_379aacb144612dead8c816312de00760","title":"NOT EXISTS","order":2},{"id":"seed_99690d8a1d211af5c86db55549aa99ff","title":"Correlated vs Non-Correlated","order":3},{"id":"seed_eda66b1156ec977c2ff002c4611690b1","title":"Performance Considerations","order":4}]},{"id":"seed_e91fa9478a1e30a1b21b09e69fe861ee","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 14: Sql Joins And Subqueries","sectionOrder":15,"title":"Adjacent Free Seat Finder","order":7,"contentType":"PROBLEM","contentSlug":"adjacent-free-seat-finder","description":null,"estimatedMins":20,"createdAt":"2026-10-17T16:02:58.914Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[]},{"id":"seed_964f55149489f989b1858fd48f2be0c4","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 14: Sql Joins And Subqueries","sectionOrder":15,"title":"Binary Hierarchy Node Role Tagging","order":8,"contentType":"PROBLEM","contentSlug":"binary-hierarchy-node-role-tagging","description":null,"estimatedMins":20,"createdAt":"2026-10-17T16:02:58.914Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[]},{"id":"seed_b9cbe5907ef493bbf4b9c9e83b910090","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 14: Sql Joins And Subqueries","sectionOrder":15,"title":"Double Round-Robin League Fixtures","order":9,"contentType":"PROBLEM","contentSlug":"double-round-robin-league-fixtures","description":null,"estimatedMins":20,"createdAt":"2026-10-17T16:02:58.914Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[]},{"id":"seed_b83ec86f02ed80ab136d16e17996bfe9","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 14: Sql Joins And Subqueries","sectionOrder":15,"title":"Employee Identity Bridge Report","order":10,"contentType":"PROBLEM","contentSlug":"employee-identity-bridge-report","description":null,"estimatedMins":20,"createdAt":"2026-10-17T16:02:58.914Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[]},{"id":"seed_971f68c364a9e3751ee736844e383f94","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 15: Sql Aggregation And Grouping","sectionOrder":16,"title":"SQL Aggregate Functions: Summarizing Data with Precision","order":1,"contentType":"LEARNING","contentSlug":"aggregate-functions","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_6f2fc9e6f49c60b40521ec0e3b4abbf7","title":"COUNT: Counting Rows and Values with Precision","order":0},{"id":"seed_cbed285c607556c164b17ffa562f14cb","title":"SUM: Calculating Totals with Precision","order":1},{"id":"seed_308de1c55dab2a99f9c8c886dc2e68a6","title":"AVG: Computing Means with Semantic Precision","order":2},{"id":"seed_50f7ba02d27ae039c85d275e2d96e94a","title":"MIN and MAX: Finding Extreme Values","order":3},{"id":"seed_7dc79160fecffe4e83ee0423cc30f4fa","title":"Handling NULLs: Mastering Missing Data in Aggregation","order":4}]},{"id":"seed_bfb9e52dee137caac0f3f194219b77ae","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 15: Sql Aggregation And Grouping","sectionOrder":16,"title":"GROUP BY: Categorizing and Summarizing Data","order":2,"contentType":"LEARNING","contentSlug":"group-by","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_72c41ca2dabbb80ac25981efb24c3adf","title":"Grouping Concept","order":0},{"id":"seed_7460a93d7b6ce124e5f77737409ad9c9","title":"GROUP BY Clause","order":1},{"id":"seed_cab381744d762300f833692ce185b452","title":"Multiple Columns","order":2},{"id":"seed_d93fc2bbe11421c0ce356d8b940bc58f","title":"Grouping Rules","order":3},{"id":"seed_e7cac5f6a83bd8cfef9e28afbbabffbf","title":"Common Errors","order":4}]},{"id":"seed_7c7117f29901c2a80c0a14ff9a947202","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 15: Sql Aggregation And Grouping","sectionOrder":16,"title":"HAVING Clause: Filtering Grouped Data","order":3,"contentType":"LEARNING","contentSlug":"having-clause","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_538f568dbb48beae48fac3e8d28a4f97","title":"Filtering Groups","order":0},{"id":"seed_6166986681c5df02c27ceb51cf8710db","title":"HAVING vs WHERE","order":1},{"id":"seed_df1229e141765e543f7a06173446dbc1","title":"Aggregate Conditions","order":2},{"id":"seed_0fecc6d9dd2b45b9441098f599f4aa60","title":"Complex Filters","order":3},{"id":"seed_b90c28fbf344ecbae7a4dc77b0110d46","title":"Order of Execution","order":4}]},{"id":"seed_ef5fa2bd200dc327b36fdee6057bfd64","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 15: Sql Aggregation And Grouping","sectionOrder":16,"title":"Window Functions Basics","order":4,"contentType":"LEARNING","contentSlug":"window-functions-basics","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_a2e5c2d4c95d281ab81ffa1c6de001d0","title":"Window Function Concept","order":0},{"id":"seed_827ab746a7c33565d0087f731fcbf844","title":"OVER Clause","order":1},{"id":"seed_1c29dc84e552bb4604745d240fa3e0a2","title":"PARTITION BY","order":2},{"id":"seed_2a33836af4b09bd0d904dade6036907f","title":"ORDER BY in Windows","order":3},{"id":"seed_8ad0ed3a44308ca6353225c5fa2f8462","title":"Frame Specification","order":4}]},{"id":"seed_20b6e9e7f168974bbe25b7bb532102d6","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 15: Sql Aggregation And Grouping","sectionOrder":16,"title":"SQL Ranking Functions","order":5,"contentType":"LEARNING","contentSlug":"ranking-functions","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_b343a2a08131463f650b6fbb1a293130","title":"ROW_NUMBER() Function","order":0},{"id":"seed_07996ea7aa4d6825ff8bcfd67f284436","title":"RANK() Function","order":1},{"id":"seed_7600aa41515b418f8ea816a7b39167f1","title":"DENSE_RANK() Function","order":2},{"id":"seed_4c2c09712b94da53373fd74f09ea2732","title":"NTILE() Function","order":3},{"id":"seed_e1bad65aa48f41c10644268ff2e92fb6","title":"Ranking Use Cases","order":4}]},{"id":"seed_e985063ba3590bf786e6e0474b36ba49","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 15: Sql Aggregation And Grouping","sectionOrder":16,"title":"Analytic Functions","order":6,"contentType":"LEARNING","contentSlug":"analytic-functions","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_1ac63b8ec692f844eadebc1ed3397303","title":"LAG and LEAD","order":0},{"id":"seed_04e96f7ad058764002cbda3f1b481c26","title":"FIRST_VALUE and LAST_VALUE","order":1},{"id":"seed_d71d0cbda8d3010c5a4379ecbb2afdbf","title":"Running Totals","order":2},{"id":"seed_ef6e351bd1f93e91c4e5bb2fdc2545fa","title":"Moving Averages","order":3},{"id":"seed_972b564c2f91a6b32965ed8ef57718cc","title":"Cumulative Functions","order":4}]},{"id":"seed_c1827c8908d0e44b36b17c1bde1cbb56","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 15: Sql Aggregation And Grouping","sectionOrder":16,"title":"Accounts Above Net Balance Threshold","order":7,"contentType":"PROBLEM","contentSlug":"accounts-above-net-balance-threshold","description":null,"estimatedMins":20,"createdAt":"2026-10-17T16:02:58.914Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[]},{"id":"seed_7e6461d7142009475aaee39658f0931e","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 15: Sql Aggregation And Grouping","sectionOrder":16,"title":"Ad Campaign Click-Through Rate Ranking","order":8,"contentType":"PROBLEM","contentSlug":"ad-campaign-click-through-rate-ranking","description":null,"estimatedMins":20,"createdAt":"2026-10-17T16:02:58.914Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[]},{"id":"seed_394865f376123bddf359d6d54bafb127","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 15: Sql Aggregation And Grouping","sectionOrder":16,"title":"Artist Presence Frequency on Streaming Chart","order":9,"contentType":"PROBLEM","contentSlug":"artist-presence-frequency-on-streaming-chart","description":null,"estimatedMins":20,"createdAt":"2026-10-17T16:02:58.914Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[]},{"id":"seed_a35fc0530ee77eb8a43be732dfc98a74","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 15: Sql Aggregation And Grouping","sectionOrder":16,"title":"Average Process Duration by Machine","order":10,"contentType":"PROBLEM","contentSlug":"average-process-duration-by-machine","description":null,"estimatedMins":20,"createdAt":"2026-10-17T16:02:58.914Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[]},{"id":"seed_1540919d47ffbecadcea9ba7f8bd63c5","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 16: Sql Advanced Features","sectionOrder":17,"title":"SQL Views: Virtual Tables and Data Abstraction","order":1,"contentType":"LEARNING","contentSlug":"views","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_1f56b50bc2df0e17748585f842b6e4fc","title":"View Definition: Understanding Virtual Tables","order":0},{"id":"seed_7cb1f4d79d865fa001bc63ef57b1bf44","title":"CREATE VIEW: Syntax and Implementation","order":1},{"id":"seed_4b68e462dcdf5cc1e101bb8d0fe84bd4","title":"View Benefits: Why Views Are Indispensable","order":2},{"id":"seed_2efd9e61c8292170dbe93dbed22de865","title":"Updatable Views: Modifying Data Through Virtual Tables","order":3},{"id":"seed_f99a05b6da2291fd60e59d730f906081","title":"Materialized Views: Pre-Computed Query Results","order":4}]},{"id":"seed_e24f756f608bcf75a489cb86f12d4282","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 16: Sql Advanced Features","sectionOrder":17,"title":"Common Table Expressions (CTEs)","order":2,"contentType":"LEARNING","contentSlug":"common-table-expressions","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_61642d230576342bee4e0001d4b3c20d","title":"CTE Syntax (WITH Clause)","order":0},{"id":"seed_cb08eae6e90047043afb8fb27674ea3b","title":"Named Subqueries","order":1},{"id":"seed_3d252c4e2d4695463b39aebf7d61a094","title":"Multiple CTEs","order":2},{"id":"seed_0121d17a19d07f86723e0f3b2ef68519","title":"Recursive CTEs","order":3},{"id":"seed_1faf8481deb53e03f7160b8e5e3b0305","title":"CTE vs Subquery","order":4}]},{"id":"seed_82e406b815546f83e4ffa82b08d1a610","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 16: Sql Advanced Features","sectionOrder":17,"title":"Stored Procedures","order":3,"contentType":"LEARNING","contentSlug":"stored-procedures","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_166b27a133a2a53b6ccf050152fb04e8","title":"Procedure Concept","order":0},{"id":"seed_fac89ee5d110f96d5cb080769b38808a","title":"CREATE PROCEDURE","order":1},{"id":"seed_0fc1723f53f3dae8d80175b705dd3d39","title":"Parameters (IN, OUT, INOUT)","order":2},{"id":"seed_d97d3ced884cce3116fbbe326c08e7e6","title":"Control Flow","order":3},{"id":"seed_7ae15a2e41948d2ab14f0affe3f9ee20","title":"Error Handling","order":4}]},{"id":"seed_b38d6117b6f81d9bb0452c8372f527a0","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 16: Sql Advanced Features","sectionOrder":17,"title":"SQL Functions","order":4,"contentType":"LEARNING","contentSlug":"sql-functions","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_84f655b2e6efcb31dc98e07724ee5004","title":"User-Defined Functions","order":0},{"id":"seed_294dff49772b2f5a4cbbc7a6ff68e3a8","title":"Scalar Functions","order":1},{"id":"seed_920e6775e0c7592c6aacfc18d4b8ce6f","title":"Table-Valued Functions","order":2},{"id":"seed_57b2c721eba3631e4ed8f59eec7b2133","title":"Deterministic Functions","order":3},{"id":"seed_20e75f196117425adec0601be6813834","title":"Functions vs Procedures","order":4}]},{"id":"seed_a84884f6293b430d2e79f4715c029ff4","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 16: Sql Advanced Features","sectionOrder":17,"title":"Triggers","order":5,"contentType":"LEARNING","contentSlug":"triggers","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_d2117292019c64508a38e68bee54e713","title":"Trigger Concept","order":0},{"id":"seed_37acbd8e1b1c845985e2bbf7041d3258","title":"BEFORE/AFTER Triggers","order":1},{"id":"seed_df9d703fdf9cb9f53bde550a14ebf556","title":"INSERT/UPDATE/DELETE Triggers","order":2},{"id":"seed_c8d1c45ae25265b51ffab3904b698555","title":"Row-level vs Statement-level Triggers","order":3},{"id":"seed_6a22de7a0fb50199620c25465259d417","title":"Trigger Use Cases","order":4}]},{"id":"seed_964caf36e2bebc85e252e62e7ac3d092","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 16: Sql Advanced Features","sectionOrder":17,"title":"Cursors in SQL","order":6,"contentType":"LEARNING","contentSlug":"cursors","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_b7022f8b45319bfef53315077b253710","title":"Cursor Concept","order":0},{"id":"seed_333132f6ee65c75b6b129b999d0d0c84","title":"DECLARE CURSOR","order":1},{"id":"seed_b95e3e67769d269423064994cd230cb2","title":"OPEN, FETCH, CLOSE","order":2},{"id":"seed_fa3505b07086094dbae0f1ebfbab0e2f","title":"Cursor Types","order":3},{"id":"seed_dd48b2799e2a4e7c615e792d380c12f1","title":"When to Use Cursors","order":4}]},{"id":"seed_111188da1c3c948629f2cc9c46dfb8a3","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 16: Sql Advanced Features","sectionOrder":17,"title":"Latest Employee Compensation Snapshot","order":7,"contentType":"PROBLEM","contentSlug":"latest-employee-compensation-snapshot","description":null,"estimatedMins":20,"createdAt":"2026-10-17T16:02:58.914Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[]},{"id":"seed_3c4472fe02cdb73d7894f445be27238b","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 16: Sql Advanced Features","sectionOrder":17,"title":"Minimum Coordinate Gap on a Line","order":8,"contentType":"PROBLEM","contentSlug":"minimum-coordinate-gap-on-a-line","description":null,"estimatedMins":20,"createdAt":"2026-10-17T16:02:58.914Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[]},{"id":"seed_bfb759fced19a56a6f7dd391d73df3d7","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 16: Sql Advanced Features","sectionOrder":17,"title":"Rapid Repeat Confirmation Requesters","order":9,"contentType":"PROBLEM","contentSlug":"rapid-repeat-confirmation-requesters","description":null,"estimatedMins":20,"createdAt":"2026-10-17T16:02:58.914Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[]},{"id":"seed_dac599754d9b136119d9b4f8f2f878b7","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 16: Sql Advanced Features","sectionOrder":17,"title":"State City Directory Rollup","order":10,"contentType":"PROBLEM","contentSlug":"state-city-directory-rollup","description":null,"estimatedMins":20,"createdAt":"2026-10-17T16:02:58.914Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[]},{"id":"seed_f317760f42870027f1e09321eed3e37e","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 17: Sql Performance","sectionOrder":18,"title":"Query Performance Basics","order":1,"contentType":"LEARNING","contentSlug":"query-performance-basics","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_1f4e1fd3c9f526004a16e28abbae7b6c","title":"Query Execution Time","order":0},{"id":"seed_781067629d329177b9adcc05798d7608","title":"Resource Usage","order":1},{"id":"seed_886225b3a1bca29436c2f2b976cbc13a","title":"Bottleneck Identification","order":2},{"id":"seed_a7740c4b7619968196c912a6134cb3eb","title":"Measurement Tools","order":3},{"id":"seed_7947fac524d6c5eb6cdadee7afd3a950","title":"Performance Goals","order":4}]},{"id":"seed_7f29204f762c48fc4a5acfe4771c9278","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 17: Sql Performance","sectionOrder":18,"title":"Understanding EXPLAIN Plans","order":2,"contentType":"LEARNING","contentSlug":"explain-plans","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_07adec81b2e893a6287733ec4b9948ab","title":"EXPLAIN Statement","order":0},{"id":"seed_8602bd0d1aa2555b6a4b2820b5781167","title":"Execution Plan Reading","order":1},{"id":"seed_c7d1420cca131468a609ef74026cbf04","title":"Plan Operators","order":2},{"id":"seed_53ecc7fb391110d644e13cc9f3cd3112","title":"Cost Estimates","order":3},{"id":"seed_5075ece6d73c1d5f981d526db2fa07f1","title":"Plan Comparison","order":4}]},{"id":"seed_09ecef13c11bcf5fe412f164cc3a0608","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 17: Sql Performance","sectionOrder":18,"title":"Index Usage for Query Optimization","order":3,"contentType":"LEARNING","contentSlug":"index-usage","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_a8d291e5b6b2665ebb126724a132f416","title":"Index Benefits","order":0},{"id":"seed_ac44a68ddcb39af12563cb9c8ca23304","title":"Index Selection by Optimizer","order":1},{"id":"seed_2a4f7ff7253c108d88e9af3710a151a3","title":"Index Hints","order":2},{"id":"seed_6c336afbf49421cac8bc4347c33d7076","title":"Covering Indexes","order":3},{"id":"seed_9a58901ebf9adfe7c3ce5b6f280b3f55","title":"Index Limitations","order":4}]},{"id":"seed_267a02ae5ababb05b789c072866eac90","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 17: Sql Performance","sectionOrder":18,"title":"Query Optimization Tips","order":4,"contentType":"LEARNING","contentSlug":"query-optimization-tips","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_1a24869fa77dca2daf74c347db88aba7","title":"Avoiding SELECT *","order":0},{"id":"seed_df93b8b6b64222773d07fff33be565d1","title":"Limiting Results","order":1},{"id":"seed_a32d78091eabafbd1e2128776802d66d","title":"Efficient Joins","order":2},{"id":"seed_1da46610bfea93f37c451cf99d589329","title":"Subquery Optimization","order":3},{"id":"seed_cb8ca5b95904bc352b10f3ca078d0e6a","title":"Expression Optimization","order":4}]},{"id":"seed_04967c50de8ef64d0ba26d95d6e2bfad","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 17: Sql Performance","sectionOrder":18,"title":"Common SQL Performance Issues","order":5,"contentType":"LEARNING","contentSlug":"common-performance-issues","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_f9fabb42be20bbc42740eaf1298e523d","title":"Full Table Scans","order":0},{"id":"seed_e53c2140f6ef36cbca9092655d884fd6","title":"Implicit Conversions","order":1},{"id":"seed_019d3988749a584da7d6ed13c3df8f5e","title":"Functions on Indexed Columns","order":2},{"id":"seed_2323d5eaf07de5deb20ee9e7ae597057","title":"Correlated Subquery Issues","order":3},{"id":"seed_f9b4e177e1e6f61d032300fcdaebd91d","title":"N+1 Query Problem","order":4}]},{"id":"seed_02848ea09466446c0ce5a0ac51518aee","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 17: Sql Performance","sectionOrder":18,"title":"Query Profiling","order":6,"contentType":"LEARNING","contentSlug":"query-profiling","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_c9adcfb6c6b96f66daaae71737735c89","title":"Query Profiler Tools","order":0},{"id":"seed_2a93d1da6635534f8f69b7c9793741fc","title":"Execution Statistics","order":1},{"id":"seed_e98c2a285a6f83a738772ace386b0fff","title":"Identifying Slow Queries","order":2},{"id":"seed_cd20f8b34ae0b7fb7f4d79cad07e1de3","title":"Query Rewriting","order":3},{"id":"seed_fa4e6c9cc8f3f93e098169b82ea642a3","title":"Continuous Improvement","order":4}]},{"id":"seed_5df1bd01cb9f794d300667e60cbb625a","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 18: Functional Dependencies","sectionOrder":19,"title":"Functional Dependency Concept","order":1,"contentType":"LEARNING","contentSlug":"functional-dependency-concept","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_50504c2a8434d1297ea6f5d6a1b9e8dc","title":"FD Definition","order":0},{"id":"seed_7f5aafb14dc4fec76e7f577b55293424","title":"Notation (X → Y)","order":1},{"id":"seed_989d8b9062daf89002c8f49a9f0f6416","title":"Determinant and Dependent","order":2},{"id":"seed_79a08f91d283b46b9cc31bad7f519cff","title":"FD from Data vs Schema","order":3},{"id":"seed_4ee33c7e2031ee4f67987f8de8f31b0c","title":"Semantic Meaning","order":4}]},{"id":"seed_6835bea6f5ea052b5b437df086aa6f05","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 18: Functional Dependencies","sectionOrder":19,"title":"Armstrong's Axioms","order":2,"contentType":"LEARNING","contentSlug":"armstrongs-axioms","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_0b286ebcad74775f42e7cfccf6cb4d1d","title":"Reflexivity Rule","order":0},{"id":"seed_db5ac6a00ee7fd999fa276eeba771f4b","title":"Augmentation Rule","order":1},{"id":"seed_053cebb388e12f3e600316e94b66fcb6","title":"Transitivity Rule","order":2},{"id":"seed_473f292708823207c53d4084213d5dcf","title":"Soundness and Completeness","order":3},{"id":"seed_12a15f39c210369eef68de59f59c0859","title":"Derived Rules (Union, Decomposition, Pseudotransitivity)","order":4}]},{"id":"seed_1598b8af62fe1dc9fad54aa80492a2a5","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 18: Functional Dependencies","sectionOrder":19,"title":"Attribute Closure","order":3,"contentType":"LEARNING","contentSlug":"attribute-closure","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_2e129f4d90960c561f5600792bcd8522","title":"Closure Definition (X⁺)","order":0},{"id":"seed_a31dcc89c0f471ea53e0150de7e6e1e3","title":"Closure Algorithm","order":1},{"id":"seed_e357d1d2b24bd6f10f4be9832e98e0d6","title":"Finding Keys from FDs","order":2},{"id":"seed_9e06559dc74e5e6971b8e6d2c1658f6d","title":"Superkey Identification","order":3},{"id":"seed_d216c8af90d3b5533adb0b6bf8546440","title":"Candidate Key Finding","order":4}]},{"id":"seed_10ee56545ccf0f1883f074028e65d514","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 18: Functional Dependencies","sectionOrder":19,"title":"Equivalence of Functional Dependency Sets","order":4,"contentType":"LEARNING","contentSlug":"equivalence-of-fd-sets","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_bba123dfd63192cbb1525848a30acbbf","title":"Equivalent Sets","order":0},{"id":"seed_374a93715d906a73bf67ea20117196af","title":"Cover Concept","order":1},{"id":"seed_544e4a2366a80df4de50eaea32a4e212","title":"Deriving FDs","order":2},{"id":"seed_980ffc84fe838cb0e3310dea80758b49","title":"Testing Equivalence","order":3},{"id":"seed_ae080dee15b922fd4fefaab7bd068abc","title":"Practical Applications","order":4}]},{"id":"seed_27d4f9aaaaeca839af3e0a223633dd0c","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 18: Functional Dependencies","sectionOrder":19,"title":"Canonical Cover: Minimizing Functional Dependencies","order":5,"contentType":"LEARNING","contentSlug":"canonical-cover","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_437ccb32d6cdf1a3b2ccd60c0b4b20f8","title":"Minimal Cover: The Foundation of FD Simplification","order":0},{"id":"seed_d3773175b57298e8217d1ea6f1bf539f","title":"Extraneous Attributes: Identifying Unnecessary Elements","order":1},{"id":"seed_5b4931246f2660a321cb4a05b70f2f8c","title":"The Canonical Cover Algorithm: A Complete Procedure","order":2},{"id":"seed_4c5c1a296e6324c6b84cf0f5f4c76243","title":"Removing Redundancy: Deep Analysis and Practical Strategies","order":3},{"id":"seed_eb476b247856655494580430e5cdb1fa","title":"Simplified FD Set: The Goal and Its Applications","order":4}]},{"id":"seed_8b695f28b33b08c091a512d57da325f8","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 18: Functional Dependencies","sectionOrder":19,"title":"Functional Dependencies and Keys","order":6,"contentType":"LEARNING","contentSlug":"fd-and-keys","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_c45ef071c89a0f92f681cd4c8c607a32","title":"Key from FDs","order":0},{"id":"seed_e8a9156c1a367b9658f729ad538073e8","title":"Prime Attributes","order":1},{"id":"seed_37ab94c1adc2266ec7e0c816266e99df","title":"Non-Prime Attributes","order":2},{"id":"seed_0a7bb3e06f81f16b5ac5c7119127a23c","title":"Finding All Candidate Keys","order":3},{"id":"seed_0630280f4fe67efcfecfb146e72ceefb","title":"Key Relationship to Normalization","order":4}]},{"id":"seed_eb21f163cabcbbb8b9efddc542564b68","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 19: Normal Forms","sectionOrder":20,"title":"Second Normal Form: Eliminating Partial Dependencies","order":1,"contentType":"LEARNING","contentSlug":"second-normal-form","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_650aed87b7cf80a08f976cefe1156880","title":"Partial Dependency: The Core Concept Behind 2NF","order":0},{"id":"seed_6e3bcb261d453318fb54f0a70505dbd4","title":"Second Normal Form: The Formal Definition","order":1},{"id":"seed_71a37dadb280acc1fb29054321700ce4","title":"Identifying Second Normal Form Violations","order":2},{"id":"seed_013f275045c2d363006d84c45dde6189","title":"Decomposition for Second Normal Form","order":3},{"id":"seed_6b065413872f90c1aac4c19b1752938e","title":"Second Normal Form: Comprehensive Examples","order":4}]},{"id":"seed_9993840247f1a6e3ef5e6de94c162b85","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 19: Normal Forms","sectionOrder":20,"title":"Third Normal Form (3NF)","order":2,"contentType":"LEARNING","contentSlug":"third-normal-form","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_dc1fb37f5202cf68b06c39e5e5551815","title":"Transitive Dependency","order":0},{"id":"seed_5f2d41ffb57dff0824bd3dfb7372b9df","title":"3NF Definition","order":1},{"id":"seed_324089fdfd246f73fde202328dbeff63","title":"Identifying Violations","order":2},{"id":"seed_7de6324315af29d7eae433cb08cde54b","title":"3NF Synthesis Algorithm","order":3},{"id":"seed_47b9c2fb3a66bf415e86d684ea3cdfb3","title":"3NF Examples","order":4}]},{"id":"seed_16e80fd5e250c5fc610d90f36ee01264","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 19: Normal Forms 1nf 3nf","sectionOrder":21,"title":"Understanding Database Normalization","order":1,"contentType":"LEARNING","contentSlug":"normalization-overview","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_81e8d92c02df092a46f402d4cfd0d55e","title":"Purpose of Normalization","order":0},{"id":"seed_713dbad4492a93808319b548422f173f","title":"Redundancy Problems","order":1},{"id":"seed_a2a9b99686633562ebe83d2804ea5f33","title":"Update Anomalies","order":2},{"id":"seed_766c960bbc9d5b8e1a8a1a78c6dd6333","title":"Insert Anomalies","order":3},{"id":"seed_a49a306dcc8aa74a06d553f0da98f8b8","title":"Delete Anomalies","order":4}]},{"id":"seed_1a1ec7b0072b096a38b4b829a2d0622f","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 19: Normal Forms 1nf 3nf","sectionOrder":21,"title":"First Normal Form (1NF): Foundation of Normalization","order":2,"contentType":"LEARNING","contentSlug":"first-normal-form","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_bb6880957cf4b64b91ce5e1bbb330e2b","title":"Atomicity Requirement","order":0},{"id":"seed_3aade7d6a51b793aed7620bf85f6d621","title":"Eliminating Repeating Groups","order":1},{"id":"seed_d8986e1b212aac728262994ed104af2b","title":"Flattening Tables","order":2},{"id":"seed_236e4339f15b0b30bd40393ced1850bc","title":"1NF Violations","order":3},{"id":"seed_3ec86a7665e7aa158507d8bdf581efbe","title":"Conversion to 1NF","order":4}]},{"id":"seed_b94699edbeb93c396eaeb95a38366c74","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 19: Normal Forms 1nf 3nf","sectionOrder":21,"title":"Lossless Join Decomposition","order":3,"contentType":"LEARNING","contentSlug":"lossless-join-decomposition","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_33c266153fec52f1a89ffd37e6ead5ef","title":"Lossless Join Concept","order":0},{"id":"seed_33347503976ed6ac5effb140e68a1e01","title":"Testing for Lossless Join","order":1},{"id":"seed_6be4c79cf3517dbf8709503b566175ea","title":"Decomposition Algorithm","order":2},{"id":"seed_5df88eeaa877bc3261259e08c09f1a88","title":"Information Preservation","order":3},{"id":"seed_90ccadc4bffff7a9a97c42adac77bb92","title":"Join Reconstruction","order":4}]},{"id":"seed_435843839d3efbf31e8f2dfa887bac19","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 19: Normal Forms 1nf 3nf","sectionOrder":21,"title":"Dependency Preserving Decomposition","order":4,"contentType":"LEARNING","contentSlug":"dependency-preserving-decomposition","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_96e265205ccbbad975686540965e5566","title":"Dependency Preservation","order":0},{"id":"seed_db08a077df85946e1a9a3827d08a77b2","title":"Testing Preservation","order":1},{"id":"seed_6a2fbb776f3e482395bfe65ea98aad51","title":"Trade-offs","order":2},{"id":"seed_0bb3580a637e2764c5658e7b5c75ed4b","title":"Combining with Lossless","order":3},{"id":"seed_faa6c7e51ca4fe3db3a0846219f0c6ed","title":"Algorithm","order":4}]},{"id":"seed_a3817b80d5cd3e2942c32385fcc56e04","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 20: Advanced Normal Forms","sectionOrder":22,"title":"Boyce-Codd Normal Form (BCNF)","order":1,"contentType":"LEARNING","contentSlug":"bcnf","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_198847671bfa854f538dabdaf17a89b6","title":"BCNF Definition","order":0},{"id":"seed_4f153fa95394126aea5e55153b403548","title":"BCNF vs 3NF","order":1},{"id":"seed_aa2d725f075cf249d14f61b4caada03c","title":"BCNF Violations","order":2},{"id":"seed_47a5034c5927c4423332bb98a1b6220c","title":"Decomposition Algorithm","order":3},{"id":"seed_56283952ca3b0d4051afd981ee7310a8","title":"Dependency Preservation Issue","order":4}]},{"id":"seed_f98113874f45cd9d67aecb4781a7a7db","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 20: Advanced Normal Forms","sectionOrder":22,"title":"BCNF Decomposition","order":2,"contentType":"LEARNING","contentSlug":"bcnf-decomposition","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_7983b72f5b86bb74344d2e55c5d73b90","title":"BCNF Decomposition Algorithm","order":0},{"id":"seed_cf86c408e982ac3f071e62f7a39eb784","title":"Lossless Guarantee","order":1},{"id":"seed_ea153f94c47048fd218c6bee9677894f","title":"Dependency Preservation Loss","order":2},{"id":"seed_5ffd8fb58aed19380ab353a5c20e46eb","title":"Trade-off Decisions","order":3},{"id":"seed_48bccdd0dbd0af39573387d414cb94e5","title":"When to Stop at 3NF","order":4}]},{"id":"seed_3db88b892e309a7e14d0eb212dc3bcd9","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 20: Advanced Normal Forms","sectionOrder":22,"title":"Multivalued Dependencies","order":3,"contentType":"LEARNING","contentSlug":"multivalued-dependencies","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_4614d69f9234b7720760b4294de8dafa","title":"MVD Definition","order":0},{"id":"seed_4065bc53b56cbb752ee79a6990fc4d4b","title":"MVD Notation (X →→ Y)","order":1},{"id":"seed_623dd902c5cd2e23e561b1971733a35d","title":"Independence Concept","order":2},{"id":"seed_af54dbc974d10797d3a30a40a09ed55f","title":"Trivial MVDs","order":3},{"id":"seed_4e6e6607b02a391bda365b658434e672","title":"MVD Axioms","order":4}]},{"id":"seed_3c48dc8a537d506b98ae48f75908c7ca","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 20: Advanced Normal Forms","sectionOrder":22,"title":"Fourth Normal Form (4NF)","order":4,"contentType":"LEARNING","contentSlug":"fourth-normal-form","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_0bc1173bca6c44c7ca479eec557f389c","title":"4NF Definition","order":0},{"id":"seed_25b50601a5a143feb5c624e77810c1a6","title":"MVD Violations","order":1},{"id":"seed_89c6861d5e38a6864a6349c8c0fd2ab2","title":"4NF Decomposition","order":2},{"id":"seed_e957b8793395946b0a471d43bbb8f45b","title":"Relationship to BCNF","order":3},{"id":"seed_e69e04b64525cbb1d4f3c68e9c920ddf","title":"4NF Examples","order":4}]},{"id":"seed_d5320a5592ab45c6675f23ec263eb0c4","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 20: Advanced Normal Forms","sectionOrder":22,"title":"Join Dependencies and Fifth Normal Form","order":5,"contentType":"LEARNING","contentSlug":"join-dependencies-and-5nf","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_279827075fadc51ce15ebb6df743a71f","title":"Join Dependency Concept","order":0},{"id":"seed_771e9f98246a60f3f67ea67d5ac9b308","title":"5NF (PJNF) Definition","order":1},{"id":"seed_3d776eba27f26f7f3b885865549ba827","title":"Rare in Practice","order":2},{"id":"seed_ed86bcfbb53fd2962c3d20352880c268","title":"Identification","order":3},{"id":"seed_24f78edae9b8cce0edf38342d4d0dd99","title":"Theoretical Importance","order":4}]},{"id":"seed_6dbcb2ceb21380814f48913e6da48c65","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 20: Advanced Normal Forms","sectionOrder":22,"title":"Normal Form Comparison","order":6,"contentType":"LEARNING","contentSlug":"normal-form-comparison","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_c40392c408fe1ff0c6278a1117a38450","title":"Normal Form Hierarchy","order":0},{"id":"seed_e30963eb643eaf6b0a818d6d5df34364","title":"Properties Comparison","order":1},{"id":"seed_9ce6eb97a356044ce8a486477a3b50c4","title":"When to Use Which","order":2},{"id":"seed_19fe4c388781ce4a150b1a8225389df4","title":"Practical Guidelines","order":3},{"id":"seed_1753dec5f2977976208500a79ecf51e6","title":"Over-normalization","order":4}]},{"id":"seed_4dc7a386229cb171c1eb18a025b1baa4","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 21: Denormalization","sectionOrder":23,"title":"Understanding Denormalization","order":1,"contentType":"LEARNING","contentSlug":"denormalization-concept","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_7720531610eee0ebc0cfa384c4f3fcb3","title":"Definition","order":0},{"id":"seed_54d4a78744bc80db3d882bac4587f99c","title":"Intentional Redundancy","order":1},{"id":"seed_0024ca89fe3adec8d576eabd2b0c044c","title":"Performance Motivation","order":2},{"id":"seed_25548bdc6707ce665fd286fbf2e168af","title":"Trade-off Analysis","order":3},{"id":"seed_39135bc0ad52d36919dbbece1ad1daf7","title":"When to Consider","order":4}]},{"id":"seed_e94f8a7ed77234f3847c16609db4d7d0","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 21: Denormalization","sectionOrder":23,"title":"Denormalization Techniques","order":2,"contentType":"LEARNING","contentSlug":"denormalization-techniques","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_720ecc1319faa4cc01642cf2c36377f0","title":"Adding Derived Columns","order":0},{"id":"seed_be595077ea381056d370deeaec4fecb6","title":"Pre-computed Aggregates","order":1},{"id":"seed_8b7f9df78953ce51d2e20f610937cd00","title":"Duplicating Foreign Key Data","order":2},{"id":"seed_6ee8723ff6394b03489af07941a42dd6","title":"Merging Tables","order":3},{"id":"seed_ff22b836bf92cc0b9381459a0a7ac338","title":"Summary Tables","order":4}]},{"id":"seed_7f62e4d135df056bed44a8227418b3f6","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 21: Denormalization","sectionOrder":23,"title":"Performance Considerations in Denormalization","order":3,"contentType":"LEARNING","contentSlug":"performance-considerations","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_5ec5da6ed4bc7fa28f54f01be5835733","title":"Read vs Write Trade-off","order":0},{"id":"seed_612e613e3fdf9a7603acbc3b2402e180","title":"Query Simplification","order":1},{"id":"seed_8a4b3e11b4ebef6c09cd77bfd766f12a","title":"Join Reduction","order":2},{"id":"seed_e0067a6918a18bd73de79b0ff2c5432a","title":"Storage Cost","order":3},{"id":"seed_8370b6d32aa962ae93e323c534efa770","title":"Maintenance Overhead","order":4}]},{"id":"seed_6d2bcf45ef8a7510ea2d8ab4d27ffca3","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 21: Denormalization","sectionOrder":23,"title":"Data Integrity Challenges in Denormalization","order":4,"contentType":"LEARNING","contentSlug":"data-integrity-challenges","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_8ca0d7876b5b57b3c9d7ab42509172ad","title":"Update Anomalies in Denormalized Schemas","order":0},{"id":"seed_ac81194bb154b705cc8158ff0b336e0a","title":"Triggers for Consistency","order":1},{"id":"seed_719073be7e79c7eede11b0bdba6249ab","title":"Application Enforcement","order":2},{"id":"seed_af364ad2aa52d9a61b2e9eda41d6e576","title":"Batch Synchronization","order":3},{"id":"seed_2031c9da5665d5a2e35d6c724f1ddf42","title":"Monitoring for Data Integrity","order":4}]},{"id":"seed_b255f38fbfccc5bffd1b4beaba9ba16a","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 21: Denormalization","sectionOrder":23,"title":"OLTP vs OLAP Considerations","order":5,"contentType":"LEARNING","contentSlug":"oltp-vs-olap-considerations","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_6714a3096216e998033865ddaf3c755b","title":"OLTP Normalization","order":0},{"id":"seed_9406315302997ee2ec76538990986d02","title":"OLAP Denormalization","order":1},{"id":"seed_1f0404ed1ef3424b905b6f284645c648","title":"Star Schema","order":2},{"id":"seed_a825db98a9ac645dcf5018abdd45c4e2","title":"Dimensional Modeling","order":3},{"id":"seed_ecc09f4f3a47c3c9a89b330f5287dde8","title":"Hybrid Approaches","order":4}]},{"id":"seed_82234b779b80f473a6e5404ad4650059","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 21: Denormalization","sectionOrder":23,"title":"Denormalization Patterns","order":6,"contentType":"LEARNING","contentSlug":"denormalization-patterns","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_f6bd9f7666b882efbb5115e7f754cf8a","title":"Common Patterns","order":0},{"id":"seed_c5943737932c95e4d6dd4857b77c2375","title":"Industry Practices","order":1},{"id":"seed_ea271023868002d413f47a1b0f29873a","title":"Caching Strategies","order":2},{"id":"seed_3882c636532092c913801f6709dea99f","title":"Materialized Views","order":3},{"id":"seed_06c486ccbf1be547fb4a839147f2bddb","title":"Best Practices","order":4}]},{"id":"seed_8960163aef0be4b900ac9e00c2fe591a","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 22: Transaction Concepts","sectionOrder":24,"title":"Transaction Definition","order":1,"contentType":"LEARNING","contentSlug":"transaction-definition","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_bea3ba9ef692cd62264c7eb781448d1d","title":"Transaction Concept","order":0},{"id":"seed_a06b29ce855332ebb32e6ba09bc65eca","title":"Transaction Boundaries","order":1},{"id":"seed_c85f433534eef5c97ab26a9cd09a2461","title":"Begin, Commit, Rollback","order":2},{"id":"seed_bdf1c8f9fd47d6f389577cb80b152053","title":"Implicit vs Explicit Transactions","order":3},{"id":"seed_e31d3b7c4fb0e14ca585f38fd6e63302","title":"Transaction Examples","order":4}]},{"id":"seed_1e3a1819e0c5da69a2f6c7eeaa4afb65","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 22: Transaction Concepts","sectionOrder":24,"title":"ACID Properties: The Foundation of Reliable Transactions","order":2,"contentType":"LEARNING","contentSlug":"dbms-acid-properties","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_83571eaabb523138d7d9800ea6193664","title":"Atomicity: The All-or-Nothing Guarantee","order":0},{"id":"seed_121f878a6bb099d31da4985ce62382b3","title":"Consistency: Valid State to Valid State","order":1},{"id":"seed_c0308736bb1f441a4ac1e0413c3e7257","title":"Isolation: Concurrent Transactions in Harmony","order":2},{"id":"seed_8cc852c7c368af9389640708e9bbaaee","title":"Durability: Persistence Against All Odds","order":3},{"id":"seed_df4e2fda7b018514333313e3b67d47e5","title":"ACID Importance: The Complete Transaction Guarantee","order":4}]},{"id":"seed_89a154c9c90b609f110e8c54b7529bdf","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 22: Transaction Concepts","sectionOrder":24,"title":"Transaction States","order":3,"contentType":"LEARNING","contentSlug":"transaction-states","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_fda9e0c4a1b46833fe3ca4d02320558a","title":"Active State","order":0},{"id":"seed_c6d2b713492faf6bd04298732e72083d","title":"Partially Committed","order":1},{"id":"seed_f28c356ddea49ef89240b9a33846ae4a","title":"Committed","order":2},{"id":"seed_67f4ddc3ecd7ace649fe6fbf791775d1","title":"Failed","order":3},{"id":"seed_187ebe7f8da0a566b3e6787976a055d2","title":"Aborted","order":4}]},{"id":"seed_ff54a343c37fa444f9ab80b3f6358e52","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 22: Transaction Concepts","sectionOrder":24,"title":"Conflict Serializability","order":4,"contentType":"LEARNING","contentSlug":"conflict-serializability","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_b6a078f28a1a3552ce996c5c59ec1a27","title":"Schedule Concept","order":0},{"id":"seed_e5820f508285432b5155fd2b306dafb1","title":"Serial Schedule","order":1},{"id":"seed_7f21a42a57f89f1c3a8e32a12069fe5c","title":"Equivalent Schedules","order":2},{"id":"seed_7cde6a5b6aba2f353bb291d2e44833dc","title":"Conflict Equivalence","order":3},{"id":"seed_55f45dd54571dc268e264df4f977b0a5","title":"Precedence Graph","order":4}]},{"id":"seed_711b773f5f733f6ec261da22342d6e47","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 22: Transaction Concepts","sectionOrder":24,"title":"Recoverability","order":5,"contentType":"LEARNING","contentSlug":"recoverability","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_73e9ba6deeb9ed7b5c3af046ae33eae3","title":"Recoverable Schedule","order":0},{"id":"seed_ed4d1dd77ca9822c37f0e5c1ccf80359","title":"Cascading Rollback","order":1},{"id":"seed_6419c6b6d12ad97bfce7ae4a43cd795e","title":"Cascadeless Schedule","order":2},{"id":"seed_09a189472157be6c1be5c4872a63906c","title":"Strict Schedule","order":3},{"id":"seed_5306b4528a63fc1f5480a97c16fc583b","title":"Recovery Implications","order":4}]},{"id":"seed_8febff89bdab0f4514f111f6a9361ef1","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 22: Transaction Concepts","sectionOrder":24,"title":"View Serializability","order":6,"contentType":"LEARNING","contentSlug":"view-serializability","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_04aa5443a19df83b738b772ef62082ce","title":"View Equivalence","order":0},{"id":"seed_bab6a9d1fd47d95288b2325eed3c1e8d","title":"View Serializable","order":1},{"id":"seed_88974966ca78693b5493a0d300a16f8a","title":"Comparison with Conflict Serializability","order":2},{"id":"seed_7dd5eac4fc6af86b0b1340c1b9deb993","title":"Testing Complexity","order":3},{"id":"seed_de638d0a477fe7fff42a8381d5a2fc33","title":"Practical Usage","order":4}]},{"id":"seed_8ee2d5acef9c631c6c66b036402c2b7c","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 22: Transaction Concepts","sectionOrder":24,"title":"An unsuccessful credit capture changes account balances","order":7,"contentType":"REPO","contentSlug":"credit-reservations-capture-recovery","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.914Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[]},{"id":"seed_efab8c8fc8d4941c843ced5b192e4044","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 22: Transaction Concepts","sectionOrder":24,"title":"Capture reserved credit only once","order":8,"contentType":"CODE_REVIEW","contentSlug":"credit-reservations-review-capture-recovery","description":null,"estimatedMins":35,"createdAt":"2026-10-17T16:02:58.914Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[]},{"id":"seed_3290a8870ce7257f05f651b83ad05835","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 23: Concurrency Problems","sectionOrder":25,"title":"Understanding Concurrency in Database Systems","order":1,"contentType":"LEARNING","contentSlug":"concurrency-overview","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_e4d31c15f35d88e62a53282802162af6","title":"Concurrent Execution","order":0},{"id":"seed_277ded309cb65ed05172c692431f6ee8","title":"Benefits of Concurrency","order":1},{"id":"seed_0667e96be64b18a2214293ef22de1063","title":"Problems Introduction","order":2},{"id":"seed_1ae2269c1c5b38d7458644decc6edcf6","title":"Interleaving","order":3},{"id":"seed_84f6f82c4458a737d6f147cb7d00fd33","title":"Need for Control","order":4}]},{"id":"seed_5dedc2f97cb4a28fcf9e647404692f32","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 23: Concurrency Problems","sectionOrder":25,"title":"Understanding the Lost Update Problem","order":2,"contentType":"LEARNING","contentSlug":"lost-update-problem","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_016aced07ee2c7caf1ef8c851cd16071","title":"Lost Update Definition","order":0},{"id":"seed_12dcc07ef83b75b1928a39ce97c9dba3","title":"Example Scenario","order":1},{"id":"seed_dce520e5a7f3ccf803a27fefb9ef8406","title":"Data Corruption","order":2},{"id":"seed_2bf6de3f6d4ddf421547a43fa92b6829","title":"Prevention Need","order":3},{"id":"seed_7723ccdb847f675f35464561e14ee661","title":"Detection","order":4}]},{"id":"seed_132311814fc6b5786e3a29bc01e810cd","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 23: Concurrency Problems","sectionOrder":25,"title":"The Dirty Read Problem: Reading Uncommitted Data","order":3,"contentType":"LEARNING","contentSlug":"dirty-read-problem","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_e2a9ae053dd9225085d7479d60ad7ae7","title":"Dirty Read Definition: The Unauthorized Glimpse","order":0},{"id":"seed_0feda3dfd028f68269c64672248c7228","title":"Uncommitted Data: The Phantom State","order":1},{"id":"seed_b9d8e7921d7e3ee69deff81052893cc6","title":"Incorrect Results: When Dirty Data Corrupts Computations","order":2},{"id":"seed_a9332cc0f161734cff8a0d5371d075a5","title":"Rollback Implications: When Dirty Sources Disappear","order":3},{"id":"seed_cd99cd18309702cd8f93176860ba56be","title":"Prevention: Defending Against Dirty Reads","order":4}]},{"id":"seed_6f1dc94cbf68f88cca5aa58db1bb9590","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 23: Concurrency Problems","sectionOrder":25,"title":"Unrepeatable Read Problem","order":4,"contentType":"LEARNING","contentSlug":"unrepeatable-read-problem","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_479382d4dc35ca3b7ef9889c63518007","title":"Unrepeatable Read Definition","order":0},{"id":"seed_7bbb9a0c9a6dec4b7c5a9d12ceacc150","title":"Inconsistent Reads","order":1},{"id":"seed_ff7767af8e3749a303f0ee923b657d1b","title":"Example Scenario","order":2},{"id":"seed_d9a7975e390053da1077f3f32812c984","title":"Business Impact","order":3},{"id":"seed_b7db6f023a48af2ca95feecea2ea061b","title":"Prevention","order":4}]},{"id":"seed_96aaef306be48dcf33d30fe5b25db249","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 23: Concurrency Problems","sectionOrder":25,"title":"The Phantom Read Problem","order":5,"contentType":"LEARNING","contentSlug":"phantom-read-problem","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_cb2a0cedddca0f57f3fead7c02ba2e7a","title":"Phantom Read Definition","order":0},{"id":"seed_55fa78f3b1f325c58590205795ccdf76","title":"New Rows Appearing","order":1},{"id":"seed_89669f631eb01975e73542a77cf9950c","title":"Range Queries","order":2},{"id":"seed_80d0b23d3cdb1564770b27921c686922","title":"Example Scenario","order":3},{"id":"seed_a680bf808fc4700b2b1fa5e0ef9099f6","title":"Prevention","order":4}]},{"id":"seed_b110a4194041e2b6908b1bfb3a1a55f1","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 23: Concurrency Problems","sectionOrder":25,"title":"Isolation Levels","order":6,"contentType":"LEARNING","contentSlug":"isolation-levels","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_5b6caaf2edfd8744da15f66bbf826b9b","title":"Read Uncommitted","order":0},{"id":"seed_760431cfe2712bafea5e1dc8da7be7f5","title":"Read Committed","order":1},{"id":"seed_a074f5ca97ea8f4d091db3c4a2a0add2","title":"Repeatable Read","order":2},{"id":"seed_e1789e91ec45beafb32b453bfdd74335","title":"Serializable","order":3},{"id":"seed_d158b9d787c8d30d6340b04d8c8797a5","title":"Level Selection","order":4}]},{"id":"seed_c12c194ee0c6d40719f721a4c9b04576","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 24: Locking Protocols","sectionOrder":26,"title":"Lock Concepts","order":1,"contentType":"LEARNING","contentSlug":"lock-concepts","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_84becf216f2df548ce37f8e36f11b6f3","title":"Lock Definition","order":0},{"id":"seed_8296bd94e57d1b0a7ea7132f302797a2","title":"Shared Locks (S)","order":1},{"id":"seed_de5fa907e06c089549992e9c05516859","title":"Exclusive Locks (X)","order":2},{"id":"seed_df9d565e59a9a70192264d310f49e69e","title":"Lock Compatibility Matrix","order":3},{"id":"seed_685852a146bf742790672b145664fcba","title":"Lock Granularity","order":4}]},{"id":"seed_c34e328d987f71b185048440e1d911f7","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 24: Locking Protocols","sectionOrder":26,"title":"Two-Phase Locking Protocol","order":2,"contentType":"LEARNING","contentSlug":"two-phase-locking","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_9976d07c9b9cef1f17814c8b27432ad6","title":"2PL Definition","order":0},{"id":"seed_9260497ff4b39b501e5a1ae57844bace","title":"Growing Phase","order":1},{"id":"seed_a1345cd02a025dc58316e517ce531534","title":"Shrinking Phase","order":2},{"id":"seed_6f1afe51e47c8801ff9b017a661b1f74","title":"Serializability Guarantee","order":3},{"id":"seed_64c9df1ca9f367a99940ee0bfd53d12e","title":"2PL Limitations","order":4}]},{"id":"seed_08396eb2d9498fef396f516e7439a08d","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 24: Locking Protocols","sectionOrder":26,"title":"Two-Phase Locking Variants","order":3,"contentType":"LEARNING","contentSlug":"2pl-variants","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_0d82983299b93fc92e4f9546ca653c9a","title":"Strict Two-Phase Locking (Strict 2PL)","order":0},{"id":"seed_939d566ffeba5e64de5cf34a04f38b13","title":"Rigorous Two-Phase Locking (Rigorous 2PL)","order":1},{"id":"seed_f3874171b8043cfa57627c74a11053a7","title":"Conservative Two-Phase Locking (Conservative 2PL)","order":2},{"id":"seed_2bdaa96beeb4d2d89a7bb50d240cc0ac","title":"2PL Variants Comparison","order":3},{"id":"seed_d792bd5c1b7e934fcd382acd9e98c086","title":"Practical Usage of 2PL Variants","order":4}]},{"id":"seed_fb9cfa670b5d6cbd931895d12576710d","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 24: Locking Protocols","sectionOrder":26,"title":"Lock Granularity","order":4,"contentType":"LEARNING","contentSlug":"lock-granularity","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_42fb98bb978596a7cdadd870777f1a57","title":"Row-Level Locks","order":0},{"id":"seed_21972b8eef684a2f1713abbad20e30ab","title":"Page-Level Locks","order":1},{"id":"seed_e297b050466ec20eed9b406c43844098","title":"Table-Level Locks","order":2},{"id":"seed_8fe768da58937f124cdf2a2065014dc2","title":"Database-Level Locks","order":3},{"id":"seed_8f2b40d86b9064e4f5cc62189d00c5df","title":"Intention Locks","order":4}]},{"id":"seed_c209183cda2f52bfd1553077eef85bec","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 24: Locking Protocols","sectionOrder":26,"title":"Deadlock Handling in Database Systems","order":5,"contentType":"LEARNING","contentSlug":"deadlock-handling","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_74d0f82c889671db1342fafa65be0f99","title":"Deadlock Definition","order":0},{"id":"seed_0eac1a31960375f1d7062f6e214e865c","title":"Deadlock Detection","order":1},{"id":"seed_708ee43d319e92e2f8c5bf4304e38794","title":"Wait-For Graph","order":2},{"id":"seed_9efbbc494840dd1c50886e29cccfab93","title":"Deadlock Prevention","order":3},{"id":"seed_52e247d388e29f93aff2cb47d25777a5","title":"Deadlock Recovery","order":4}]},{"id":"seed_17ba417fa1d82f2535d1f99bd4710e99","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 24: Locking Protocols","sectionOrder":26,"title":"Starvation in Concurrency Control","order":6,"contentType":"LEARNING","contentSlug":"starvation","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_9b056d6b86759dd756bcce626dd84eba","title":"Understanding the Starvation Problem","order":0},{"id":"seed_3315f3dc4e9d541cf8b192726796cf1b","title":"Fairness in Lock Management","order":1},{"id":"seed_d24cebd2d5c02bb34a5fc5a069b2aa93","title":"Priority Schemes in Lock Management","order":2},{"id":"seed_f4bd18181565c85b17e170a6b318b8eb","title":"Timeout Handling in Lock Management","order":3},{"id":"seed_30bd169d4c550ec4db16c30fdf3a02e6","title":"Starvation Prevention Strategies","order":4}]},{"id":"seed_6f920d668f5f79a2529c1d0f9638eb63","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 25: Timestamp And Mvcc","sectionOrder":27,"title":"Basic Timestamp Protocol","order":1,"contentType":"LEARNING","contentSlug":"basic-timestamp-protocol","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_3e4f16013d26668bdc1370df9f278c95","title":"Read Timestamp (RTS)","order":0},{"id":"seed_543ea23368a760524b4fab5a355c009c","title":"Write Timestamp (WTS)","order":1},{"id":"seed_c23095b0688bd93755463f3b761e613c","title":"Read Rules","order":2},{"id":"seed_c598238e6e59ffcd39b5409a253ecaf6","title":"Write Rules","order":3},{"id":"seed_abd15c474ee4c420e7153527577fa87b","title":"Protocol Execution","order":4}]},{"id":"seed_1e9c886a4e2f9034a51641209da6799b","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 25: Timestamp And Mvcc","sectionOrder":27,"title":"Timestamp-Based vs Lock-Based Concurrency Control","order":2,"contentType":"LEARNING","contentSlug":"timestamp-vs-locking","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_577315c49c0d7c1982b6514a30aad2cb","title":"Comparison: Timestamp vs Locking Protocols","order":0},{"id":"seed_6ace239796e6ffbd84ad961e08c81669","title":"Advantages of Timestamp-Based Protocols","order":1},{"id":"seed_3e038252de90e15ea4ad20c7f795a6dc","title":"Disadvantages of Timestamp-Based Protocols","order":2},{"id":"seed_ef98d0bc361df7c68518755b327641d7","title":"Rollback Frequency in Timestamp Protocols","order":3},{"id":"seed_89934bdced3507dd29db66b29a68c504","title":"Use Cases: When to Choose Each Protocol","order":4}]},{"id":"seed_ecc4ef363864d3152af67244d4075160","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 25: Timestamp And Mvcc","sectionOrder":27,"title":"Thomas Write Rule","order":3,"contentType":"LEARNING","contentSlug":"thomas-write-rule","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_4a2dd6ec52735102108df7388f7cab57","title":"Thomas Write Rule","order":0},{"id":"seed_156d1dc1cbb927079339c61956cbabc4","title":"Outdated Writes","order":1},{"id":"seed_e294ec5263fe819920c04af09543fabd","title":"Ignoring Obsolete Writes","order":2},{"id":"seed_f6d19e7aa6e5c302a787fa44d8f21b2e","title":"Performance Improvement","order":3},{"id":"seed_54281e952075c09aa31c673eb8d08ae8","title":"Correctness","order":4}]},{"id":"seed_200dd182c7f238c5f1485286141bd877","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 25: Timestamp And Mvcc","sectionOrder":27,"title":"Snapshot Isolation: Consistent Views for Concurrent Transactions","order":4,"contentType":"LEARNING","contentSlug":"snapshot-isolation","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_f28e8dbb1d749e1e4fa1019ca6abea64","title":"Snapshot Concept","order":0},{"id":"seed_76633fe2d48355b9a47e029891363c08","title":"Snapshot Isolation Implementation","order":1},{"id":"seed_399235d97ce9882ae44ba20612ac20f2","title":"Write Skew Anomaly","order":2},{"id":"seed_5b8618d197d69150451f0f0facee98d8","title":"Snapshot Isolation vs Serializable","order":3},{"id":"seed_b8b204963a9c023d867361fb393aacd6","title":"Practical Usage of Snapshot Isolation","order":4}]},{"id":"seed_f47c617f4ebd3ed51e494b845b011720","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 25: Timestamp Mvcc","sectionOrder":28,"title":"Timestamp Ordering Protocol","order":1,"contentType":"LEARNING","contentSlug":"timestamp-ordering","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_7f1c9ac063a371fd4a5141f5d88c6431","title":"Timestamp Concept","order":0},{"id":"seed_9d587c97a560666465b223c4f5cf1985","title":"System Clock Timestamps","order":1},{"id":"seed_0a05eae1afc179417777c59b4cfbc781","title":"Logical Counter","order":2},{"id":"seed_c3014615625ef627a3959fbab4364fe1","title":"Timestamp Assignment","order":3},{"id":"seed_458a61c4db09b89cdf4dc8f75c38f246","title":"Ordering Transactions","order":4}]},{"id":"seed_64c0e54354a4beda6f632f8da20db4ee","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 25: Timestamp Mvcc","sectionOrder":28,"title":"Multi-Version Concurrency Control (MVCC)","order":2,"contentType":"LEARNING","contentSlug":"mvcc","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_9ec4ef051acd5de7f35be6b61fabe416","title":"Multi-Version Concurrency Control","order":0},{"id":"seed_8161eba0ca29f79a94b1b929a696f1e5","title":"Multiple Versions","order":1},{"id":"seed_f61fb75a9aec40af392fea2b70d95226","title":"Read Consistency","order":2},{"id":"seed_20907ca91d788041615cbad8d0ad0751","title":"PostgreSQL Implementation","order":3},{"id":"seed_1d7f0e27774b37839213853c390d8164","title":"MVCC Advantages","order":4}]},{"id":"seed_b9174dee33c51fd3a979563a4b7cd38a","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 26: Failure And Recovery Concepts","sectionOrder":29,"title":"Recovery Concepts","order":1,"contentType":"LEARNING","contentSlug":"recovery-concepts","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_1184052b6132d88120028e35aa46e7b6","title":"Durability Guarantee","order":0},{"id":"seed_276e1c569a84f87e95c78ed4d5e8c413","title":"Recovery Manager","order":1},{"id":"seed_eb95c0a1c17a36fa1a8ebcbcad5cd94b","title":"Stable Storage","order":2},{"id":"seed_dcb18a4e36e51aa532c993401f1aba36","title":"Recovery Algorithms Overview","order":3},{"id":"seed_3bc74c79b6a8dbd7c453c6e6bee0c0c1","title":"ACID and Recovery","order":4}]},{"id":"seed_a6df42d19277ccbb8109a3df1d24c363","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 26: Failure And Recovery Concepts","sectionOrder":29,"title":"Write-Ahead Logging (WAL)","order":2,"contentType":"LEARNING","contentSlug":"write-ahead-logging","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_2944fde2fed00bb271ead4850c49374b","title":"WAL Rule","order":0},{"id":"seed_4ba71ead8a6eab36aeae2f3fd5f5f80c","title":"Log Before Data","order":1},{"id":"seed_d2f52fc86b0c7e0547a00566e40e8eb1","title":"Undo Information","order":2},{"id":"seed_bb331aa393e5ec871bb06412fad394d7","title":"Redo Information","order":3},{"id":"seed_8d19e3df2d07cb12c185e76991261cab","title":"WAL Importance","order":4}]},{"id":"seed_34f1f384da9c7c436510a4e1a74c5435","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 26: Failure Recovery Concepts","sectionOrder":30,"title":"Understanding Database Failure Types","order":1,"contentType":"LEARNING","contentSlug":"failure-types","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_e5c2c7a5dd9098bb88573e649e08661b","title":"Transaction Failure","order":0},{"id":"seed_ac38538f30817b6bc7c25b6d3abd8d20","title":"System Failure","order":1},{"id":"seed_2c7a38b78100bf3ce70865d7e5db56bc","title":"Media Failure","order":2},{"id":"seed_0d1913433017fec223a99f1caedfbeaa","title":"Failure Classification","order":3},{"id":"seed_10687075588b16a99256621138b7206f","title":"Recovery Requirements","order":4}]},{"id":"seed_2e265eb23b3591836c2ef758d6b4abf5","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 26: Failure Recovery Concepts","sectionOrder":30,"title":"Log-Based Recovery","order":2,"contentType":"LEARNING","contentSlug":"log-based-recovery","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_3e67a4ba4e564a4ac30ea9326a37e224","title":"Log Concept","order":0},{"id":"seed_1e8abebae3e141e355b634e7b54fdad9","title":"Log Records","order":1},{"id":"seed_b554746d9ec431d523c04aa2064aafd2","title":"Log Types","order":2},{"id":"seed_261847e4b0b3d78a6f168877c5a6b30c","title":"Log Storage","order":3},{"id":"seed_31d22847464cc34bbfa28afbd11818ca","title":"Log Importance","order":4}]},{"id":"seed_5de79fe9c65028160ab9b90b42b8d6a7","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 26: Failure Recovery Concepts","sectionOrder":30,"title":"Checkpoints in Database Recovery","order":3,"contentType":"LEARNING","contentSlug":"checkpoints","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_ead5f5a5bc2bb4f2847e5dc25887aabb","title":"Checkpoint Concept","order":0},{"id":"seed_e45e32ac148be6cc076cea3c181babe5","title":"Checkpoint Process","order":1},{"id":"seed_61f3671eabb3a5dc3b49219ea9b9c388","title":"Fuzzy Checkpoints","order":2},{"id":"seed_5aad4c99e2a991f8eb567ade126a24ee","title":"Checkpoint Frequency","order":3},{"id":"seed_68be61b94c881367fd57ca4469208cd3","title":"Recovery with Checkpoints","order":4}]},{"id":"seed_1da5121d879476f0286e9dcafb30e6d5","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 26: Failure Recovery Concepts","sectionOrder":30,"title":"Stable Storage: Foundations of Durability","order":4,"contentType":"LEARNING","contentSlug":"stable-storage","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_641aa4756bab6f27c982d4e080db03a0","title":"Stable Storage Concept","order":0},{"id":"seed_83cea671890a1342572dbcabf7690043","title":"RAID Usage","order":1},{"id":"seed_6ff96471e29038329961383c1fa8b6e1","title":"Mirroring","order":2},{"id":"seed_9abe8445c143f6c539a70b79870227e3","title":"Remote Backup","order":3},{"id":"seed_eb54443e01244768d1072b1a4f91278f","title":"Media Recovery","order":4}]},{"id":"seed_71b1ba69d0d8b78550e1849de6c44050","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 27: Recovery Algorithms","sectionOrder":31,"title":"Recovery Algorithm Types","order":1,"contentType":"LEARNING","contentSlug":"recovery-algorithm-types","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_28e073b0130bc652ecff4b93667697ea","title":"Deferred Update (NO-UNDO/REDO)","order":0},{"id":"seed_de3edecd05eb1f61363e3f0b47af1b60","title":"Immediate Update (UNDO/REDO)","order":1},{"id":"seed_94034775a390e4512556b772e165a5ff","title":"Shadow Paging","order":2},{"id":"seed_2e2ed0afa4778b4a651d7c374415ef8c","title":"ARIES: The Industry Standard","order":3},{"id":"seed_4f63293a68308faad9f61a1ce1422b10","title":"Comparing Recovery Algorithms","order":4}]},{"id":"seed_7baae5f17e511d128cde1ea0ac2ba1db","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 27: Recovery Algorithms","sectionOrder":31,"title":"ARIES Recovery Algorithm Overview","order":2,"contentType":"LEARNING","contentSlug":"aries-overview","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_7bbfb2f2996a9ea4108ca376715c685a","title":"ARIES Introduction","order":0},{"id":"seed_5f5a2f459ee69454bf07922637c02bd8","title":"The Three Phases of ARIES Recovery","order":1},{"id":"seed_522ed170541e14725e6520f090203f56","title":"Log Sequence Numbers (LSN)","order":2},{"id":"seed_d3aa96a0fe41e23e959f2da3e00dd4ac","title":"ARIES Log Structure","order":3},{"id":"seed_487c0e5213d6b7c75114647f6bf13f3e","title":"ARIES Principles and Correctness","order":4}]},{"id":"seed_1f7a7af5bf983f9cdf831155738524ed","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 27: Recovery Algorithms","sectionOrder":31,"title":"ARIES Analysis Phase: Reconstructing System State","order":3,"contentType":"LEARNING","contentSlug":"analysis-phase","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_b9a6efc301ac7e4291a2126a8d7eb719","title":"Dirty Page Table: Tracking Modified Pages for Recovery","order":0},{"id":"seed_b40442358307aa35648be13a343fdec8","title":"Transaction Table: Tracking Active Transactions for Recovery","order":1},{"id":"seed_be23092c20410e0d64fe1961f552937d","title":"Scanning Log: Reconstructing Crash-Time State","order":2},{"id":"seed_34c1acfe172f6e860131a38e83d9836b","title":"Determining Redo Point: Where Recovery Begins","order":3},{"id":"seed_3402d731483358531e9db2eb6da49f1f","title":"Reconstructing State: The Analysis Phase Output","order":4}]},{"id":"seed_609cf330d67ef0de19a077b023b8896c","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 27: Recovery Algorithms","sectionOrder":31,"title":"ARIES Redo Phase: Reconstructing Consistency","order":4,"contentType":"LEARNING","contentSlug":"redo-phase","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_74ec4a97c4766efadfae736e9e9eb0e9","title":"Repeating History: The Core Philosophy of ARIES Redo","order":0},{"id":"seed_ff3c079818e08b05157863f19fa59db7","title":"Redo All Operations: The Universal Application Principle","order":1},{"id":"seed_0d1c9868a270cda2c79055b10a1c8552","title":"LSN Comparison: The Foundation of Idempotent Redo","order":2},{"id":"seed_5565f559f3ca6871655a7f1e70f197ff","title":"Idempotent Operations: The Safety Net of Recovery","order":3},{"id":"seed_eed43d5412ea54d1fd130baf1c236408","title":"The Complete Redo Process: From Crash to Consistency","order":4}]},{"id":"seed_57732a3b25c2e2e4613ccde8e14917ca","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 27: Recovery Algorithms","sectionOrder":31,"title":"Undo Phase in ARIES Recovery","order":5,"contentType":"LEARNING","contentSlug":"undo-phase","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_813aef579f4e8b66b439bfa0122da9b3","title":"Undoing Incomplete Transactions","order":0},{"id":"seed_a7ce910d0552f5728fccc4fb6bf8df60","title":"Compensation Log Records (CLR)","order":1},{"id":"seed_88b09e2c8fe22939b7141c4a77bb973c","title":"Backward Scan","order":2},{"id":"seed_1f2d1c596c6a9e08771b9fe7b78aadd8","title":"Nested Rollback","order":3},{"id":"seed_aae5a1ab9589ce7ff7a4ac4fb0f906bf","title":"Undo Completion","order":4}]},{"id":"seed_88bb5eafc91d71e30a0f76fc1ea6d9ba","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 27: Recovery Algorithms","sectionOrder":31,"title":"ARIES Advanced Features and Optimizations","order":6,"contentType":"LEARNING","contentSlug":"aries-features","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_c73bdcc4393901c277e7cd04c965d158","title":"Steal/No-Force Policy","order":0},{"id":"seed_0a78fdd8651d9ac2c801e20cf0775538","title":"Physiological Logging","order":1},{"id":"seed_21eeffa4c7daa86dac515670088f68f0","title":"Fuzzy Checkpoints","order":2},{"id":"seed_6f2727be5df02d6aad822acf1f03552d","title":"Nested Transactions","order":3},{"id":"seed_737b6bbffe394882a71b29a29066e64d","title":"Performance Optimizations","order":4}]},{"id":"seed_466dd1a80122b11288a9981d1709f103","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 27: Recovery Algorithms","sectionOrder":31,"title":"Failed release journals leave a partially published room","order":7,"contentType":"REPO","contentSlug":"release-room-journal-recovery","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.914Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[]},{"id":"seed_372ffae6b5918d15a7c2b458426d76bc","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 27: Recovery Algorithms","sectionOrder":31,"title":"Isolate the editorial transaction draft","order":8,"contentType":"CODE_REVIEW","contentSlug":"release-room-review-journal-recovery","description":null,"estimatedMins":35,"createdAt":"2026-10-17T16:02:58.914Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[]},{"id":"seed_77e0a77579478e41cfbe98d9a30bd313","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 28: Backup Strategies","sectionOrder":32,"title":"Understanding Database Backup Types","order":1,"contentType":"LEARNING","contentSlug":"backup-types","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_18b4db27f4003dc7cacaecf5150d0afa","title":"Full Backup: The Foundation of Database Protection","order":0},{"id":"seed_26e82a9a6e0bf48d3d6e7092b71a9003","title":"Incremental Backup: Efficient Change-Only Capture","order":1},{"id":"seed_addb9dc826d8230fcdf2b8f11177af55","title":"Differential Backup: The Middle Ground Strategy","order":2},{"id":"seed_81bd1b1b466d1751a0cf58e3b09c826d","title":"Comprehensive Comparison: Full, Incremental, and Differential","order":3},{"id":"seed_a594a0358b6c3b044cf7787def0c94d9","title":"Strategy Selection: Designing Your Optimal Backup Approach","order":4}]},{"id":"seed_13948c638b83d20194cbe6bcc5278f61","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 28: Backup Strategies","sectionOrder":32,"title":"Backup Implementation Strategies","order":2,"contentType":"LEARNING","contentSlug":"backup-implementation","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_f2716882d2cb64473ea69e0f9e44962e","title":"Online Backup (Hot Backup)","order":0},{"id":"seed_5075577accb3c214ed0e2e9e4329d58d","title":"Offline Backup (Cold Backup)","order":1},{"id":"seed_b1f110070abe08df2c3f83417641cdc0","title":"Consistent Backup","order":2},{"id":"seed_f8b9595bf10c4aa7e9efbdc6fb62bdfb","title":"Backup Tools","order":3},{"id":"seed_d1f46c45a29c916c1003c5606f09a584","title":"Backup Storage","order":4}]},{"id":"seed_ae2f566359743f127b2a3bb5d2f8ce67","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 28: Backup Strategies","sectionOrder":32,"title":"Point-in-Time Recovery","order":3,"contentType":"LEARNING","contentSlug":"point-in-time-recovery","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_010f1866947e475eba76c804b95f6b40","title":"PITR Concept: The Foundations of Point-in-Time Recovery","order":0},{"id":"seed_de3745c835b76c0c7c52761c6ea58281","title":"Log Archiving: The Backbone of Point-in-Time Recovery","order":1},{"id":"seed_e1713efed94627c04f16cbab5bba7ece","title":"The Recovery Process: Executing Point-in-Time Recovery","order":2},{"id":"seed_542aa9a014a530b1448cf6d6c82cd5bf","title":"Target Time Specification: Precision in Point-in-Time Recovery","order":3},{"id":"seed_3372a0e80abee33ca0c906a7e1f277f4","title":"PITR Limitations: Understanding Constraints and Complementary Strategies","order":4}]},{"id":"seed_2896f0c2662ef22dda06c19930c18a0c","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 28: Backup Strategies","sectionOrder":32,"title":"Backup Verification","order":4,"contentType":"LEARNING","contentSlug":"backup-verification","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_da3d8c6f0cf506156fd7e2b0c2e60d90","title":"Testing Backups","order":0},{"id":"seed_150636c9e291ba814842b79027eb6316","title":"Restore Testing","order":1},{"id":"seed_990aff92d7ef8dc08ba5eab7a35a0dd2","title":"Integrity Checks","order":2},{"id":"seed_6a65a18edd51b2b092c28880bf194267","title":"Documentation","order":3},{"id":"seed_d0377a5ee6bc0032779aa28604b1c0ea","title":"Regular Practice","order":4}]},{"id":"seed_785d1a9decace0287d49d31d02f81657","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 28: Backup Strategies","sectionOrder":32,"title":"Disaster Recovery","order":5,"contentType":"LEARNING","contentSlug":"dbms-disaster-recovery","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_f435e2967b75aa4918aacd566865204e","title":"DR Planning","order":0},{"id":"seed_66bdf6b2b136d4392c666a89bebce89c","title":"Recovery Objectives (RTO, RPO)","order":1},{"id":"seed_1ddb02a48161f7a0c8bfc90b1b6284e3","title":"Replication","order":2},{"id":"seed_7364961e338f73bae5af2bc94b6eacc3","title":"Failover","order":3},{"id":"seed_ba5916effc7884f66a428bcc0ad9c3fe","title":"DR Sites","order":4}]},{"id":"seed_9c56329e3985eb24edca766687be0d2c","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 28: Backup Strategies","sectionOrder":32,"title":"Backup Best Practices","order":6,"contentType":"LEARNING","contentSlug":"backup-best-practices","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_2994b5ec25854fe6fc07602ec6c4ff94","title":"Backup Schedule","order":0},{"id":"seed_5035b5a1c320a37f7654ce8d802199de","title":"Retention Policy","order":1},{"id":"seed_011442492048d3b1db5ef8e84799c661","title":"Offsite Storage","order":2},{"id":"seed_031441decd8a853f914bd82021e2ff66","title":"Encryption","order":3},{"id":"seed_6447237d6fc1b3dc67ecd3d98a2e1200","title":"Monitoring","order":4}]},{"id":"seed_c0d2acf6ea0735681bfb3e61d113f039","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 29: Storage Systems","sectionOrder":33,"title":"Storage Hierarchy in Database Systems","order":1,"contentType":"LEARNING","contentSlug":"storage-hierarchy","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_210f53b97723472c80959d98e7d5d240","title":"Memory Hierarchy - The Foundation of Database Storage","order":0},{"id":"seed_c54dd533199e9922f7f55eb8d425b2fd","title":"RAM vs Disk - Understanding the Great Divide","order":1},{"id":"seed_984308a91237f951c42a340bd6bc19d7","title":"Access Times - The Physics of Storage Performance","order":2},{"id":"seed_7faa1cfaef89b8e3d2b90949a411afe1","title":"Cost Considerations - The Economics of Storage","order":3},{"id":"seed_2162c454b60921e7d24c476222d2054d","title":"Storage Selection - Architecting for Your Workload","order":4}]},{"id":"seed_13e79aafebbc0c54cb036965a4614072","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 29: Storage Systems","sectionOrder":33,"title":"Disk Structure: Understanding Physical Storage","order":2,"contentType":"LEARNING","contentSlug":"dbms-disk-structure","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_5d5f20db17a91c45ffdfb475a7e110b0","title":"Physical Structure","order":0},{"id":"seed_ae760eb480adf6625e768d54803b93ea","title":"Platters and Heads","order":1},{"id":"seed_dbe5031b17dea7e90533237b379ca06d","title":"Tracks and Sectors","order":2},{"id":"seed_b64a2740444054fabee306f09efc47b1","title":"Disk Addressing","order":3},{"id":"seed_1d5de6fca8856b6e18dc64b64117cad6","title":"Access Time Components","order":4}]},{"id":"seed_b054c955363a96b4be54fb0fbef1113c","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 29: Storage Systems","sectionOrder":33,"title":"RAID Storage Technology","order":3,"contentType":"LEARNING","contentSlug":"raid-levels","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_39ed548adc13060c2444498155cb3c01","title":"RAID Concept: The Foundation of Redundant Storage","order":0},{"id":"seed_6312c67ede574cb9a7d47f154255504a","title":"RAID 0, 1, 5, 6, and 10: Comprehensive Level Analysis","order":1},{"id":"seed_852fac4f88bc1c1ca914417edbbe8372","title":"RAID Performance Comparison: Deep Dive Analysis","order":2},{"id":"seed_57504c2eba4de987e43db31e3522643a","title":"RAID Reliability Comparison: Fault Tolerance Deep Dive","order":3},{"id":"seed_0ace3e6e902a64637b6b762a95094395","title":"RAID Selection: Decision Framework for Database Architects","order":4}]},{"id":"seed_6a58f4fd32d26b1cb5494738c50171d8","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 29: Storage Systems","sectionOrder":33,"title":"Buffer Management in Database Systems","order":4,"contentType":"LEARNING","contentSlug":"buffer-management","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_9ca78c2a791cf5684477844fa3dc3446","title":"Buffer Pool","order":0},{"id":"seed_667f8f6328a40b61113cec8414b2a93c","title":"Page Replacement","order":1},{"id":"seed_c3065cbd41fa428767288a1fc8e5ff7d","title":"Dirty Pages","order":2},{"id":"seed_07f80344f9c4a60aed11815bbaaeddf8","title":"Buffer Manager Role","order":3},{"id":"seed_6b032d8705a7611650a8a935f8ff78bd","title":"LRU and Clock Algorithms","order":4}]},{"id":"seed_00fcfee3337827396fb3cff09af580f5","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 29: Storage Systems","sectionOrder":33,"title":"File Organization Methods","order":5,"contentType":"LEARNING","contentSlug":"file-organization","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_37d9ddb70524840222a85c99b18e73cf","title":"Heap File Organization","order":0},{"id":"seed_e839ed7df7741d3c1d49e32216842e6c","title":"Sorted File Organization","order":1},{"id":"seed_86f7a1c4f30190560d3e90025d875fa3","title":"Hash File Organization","order":2},{"id":"seed_740804cc949fe999971d93db69e9ad04","title":"Comparison of File Organizations","order":3},{"id":"seed_944e3eed55907f4cf787715905991871","title":"Selection Criteria","order":4}]},{"id":"seed_98395d9bb75b18bed6659b7deb6de098","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 29: Storage Systems","sectionOrder":33,"title":"Page Layout and Organization","order":6,"contentType":"LEARNING","contentSlug":"page-layout","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_cb2202ed327754098023418a4fd0f9b6","title":"Page Structure","order":0},{"id":"seed_8b01144a6142b71a349a5dbbc3063543","title":"Slot Directory","order":1},{"id":"seed_9a528fb1390826ad74c3cfd260b4a749","title":"Record Layout","order":2},{"id":"seed_01299d52a7a288eb58f267967a7e4459","title":"Variable-Length Records","order":3},{"id":"seed_b77087c9232af58338e4210c7be8ba5f","title":"Page Management","order":4}]},{"id":"seed_91910f3a093321c8c1373b096b15fb63","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 30: Indexing Fundamentals","sectionOrder":34,"title":"Understanding Database Indexes","order":1,"contentType":"LEARNING","contentSlug":"index-concept","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_5e25d618242f4f186a4f84ec7d80d9b1","title":"Index Definition","order":0},{"id":"seed_fecee53b5eed4d84700c72b42a8a50cb","title":"Search Key","order":1},{"id":"seed_d155ad5b43bf7d69fdaddd2b1be2b845","title":"Index Entry","order":2},{"id":"seed_6c0e4f1c2bf702f8faf983ccc35cd6bd","title":"Lookup Acceleration","order":3},{"id":"seed_924ceabd8d370fbf9a91f6db8949bd72","title":"Index Trade-offs","order":4}]},{"id":"seed_7871d978927712e999022d220e2c0a5c","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 30: Indexing Fundamentals","sectionOrder":34,"title":"Index Types: Primary, Secondary, Unique, and Composite Indexes","order":2,"contentType":"LEARNING","contentSlug":"index-types","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_c12216989561ce88b40e3477992dc741","title":"Primary Index: The Foundational Access Structure","order":0},{"id":"seed_102960a12d3d6afb9f1b02227d5a8574","title":"Secondary Index: Alternative Access Paths to Data","order":1},{"id":"seed_03e156f69d69876f0530bbd2ffd222e2","title":"Unique Index: Where Performance Meets Integrity","order":2},{"id":"seed_f801cd1b7805f7625fcf3babddf8640d","title":"Composite Index: Multi-Column Query Optimization","order":3},{"id":"seed_244541b3601d018ab16244ba56ecc793","title":"Index Classification: A Systematic Taxonomy","order":4}]},{"id":"seed_ca46897b0c2b1f861453c1394a80bf7c","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 30: Indexing Fundamentals","sectionOrder":34,"title":"Dense vs Sparse Indexes","order":3,"contentType":"LEARNING","contentSlug":"dense-vs-sparse-index","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_2b8e7897683fcd4b1349a32f75f5ad45","title":"Dense Index","order":0},{"id":"seed_4a0f88ab4b8b380987e9de519f32ac1f","title":"Sparse Index","order":1},{"id":"seed_98ae518bbea7f29351557b1d7fc98bc9","title":"Space Trade-off","order":2},{"id":"seed_3c70ac44704c501e5009a0c91cf62099","title":"Search Efficiency","order":3},{"id":"seed_3c4d77a48aaaa854b7c52c353f1b1671","title":"When to Use Each","order":4}]},{"id":"seed_85efd098d9181b4370d1029ecffa7c5f","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 30: Indexing Fundamentals","sectionOrder":34,"title":"Clustered vs Non-Clustered Indexes","order":4,"contentType":"LEARNING","contentSlug":"clustered-vs-non-clustered","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_c4112c478dc9d3054e195a557aaac58c","title":"Clustered Index","order":0},{"id":"seed_f80567ff63d382076c9e364d3f769a95","title":"Non-Clustered Index","order":1},{"id":"seed_733e00fd1d9aaf247b1dcfdb5ed50d65","title":"Physical Ordering","order":2},{"id":"seed_b7e227f6276760b54aa2148348b83274","title":"One Clustered Per Table","order":3},{"id":"seed_4b9e9db842be538fb97b14a34d7ab394","title":"Selection Criteria","order":4}]},{"id":"seed_64678811e4cfd809550ddef3258d5dcc","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 30: Indexing Fundamentals","sectionOrder":34,"title":"Multi-Level Index Structures","order":5,"contentType":"LEARNING","contentSlug":"multi-level-index","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_cc011878fa92c7dfd1ed3a8089389a78","title":"Single-Level Limitations","order":0},{"id":"seed_35fe59b9af4c80fa1b65f2af051bcdd1","title":"Multi-Level Concept","order":1},{"id":"seed_93cf1c4664a31972c800fa7f7d8aaefc","title":"Tree Structure","order":2},{"id":"seed_2006d5caf4a5ac7c5c80edaf728488b9","title":"Search Efficiency","order":3},{"id":"seed_1f5d0001295b7f3ab0fa243f0551b1e3","title":"Index Maintenance","order":4}]},{"id":"seed_44dd80d43dc75cd5ed3721a9ae1ba9cb","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 30: Indexing Fundamentals","sectionOrder":34,"title":"Index Terminology: Essential Concepts and Metrics","order":6,"contentType":"LEARNING","contentSlug":"index-terminology","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_07e05784624f6f180d45223de9898304","title":"Fanout: The Branching Factor That Defines Index Performance","order":0},{"id":"seed_b3aa01aa3fb9c46bd42aa3ef8ab77f37","title":"Height: The Vertical Dimension of Index Performance","order":1},{"id":"seed_6a3633d7c66bf484db0330d570825b1d","title":"Leaf Nodes: Where Data Meets Structure","order":2},{"id":"seed_7acca44c730496d1b8a70dc11b042a93","title":"Internal Nodes: The Navigation Layer","order":3},{"id":"seed_b9778777cfe477a7464b59576926e6da","title":"Performance Metrics: Quantifying Index Efficiency","order":4}]},{"id":"seed_36db75c001e398f1630262e955fbbc4e","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 31: B Trees And B Plus Trees","sectionOrder":35,"title":"B-Tree Concept","order":1,"contentType":"LEARNING","contentSlug":"b-tree-concept","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_20addf1a4010f6b9334547f24896375c","title":"B-tree Definition","order":0},{"id":"seed_f97e65b86b7f9857835ab845e25dead4","title":"B-tree Properties","order":1},{"id":"seed_48b35cfe6195dc024e4a3236d099b7d9","title":"Node Structure","order":2},{"id":"seed_888e338538885d1579efbba8089df9ab","title":"Balanced Property","order":3},{"id":"seed_9fb9d095086698cfbe6c7cc9fc17ae69","title":"Height Analysis","order":4}]},{"id":"seed_a763a05bda69ce003d2ad1eea873bcff","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 31: B Trees And B Plus Trees","sectionOrder":35,"title":"B-Tree Operations: Search, Insert, and Delete","order":2,"contentType":"LEARNING","contentSlug":"b-tree-operations","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_af0231da24a5543906ccb7bf8339bfbd","title":"Search Algorithm","order":0},{"id":"seed_4a1835b0f758a020b3adb2c5bd7cc355","title":"Insert Algorithm","order":1},{"id":"seed_3f23d2dd66778ecd4000f0364a14f9b8","title":"Node Splitting","order":2},{"id":"seed_9e653c75be01f783b6363366dba5be1f","title":"Delete Algorithm","order":3},{"id":"seed_af18743975d2e6c85630b115235dbbd0","title":"Node Merging","order":4}]},{"id":"seed_cdc11873b31b73131e3759d3c001bd03","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 31: B Trees And B Plus Trees","sectionOrder":35,"title":"B+-Tree Structure","order":3,"contentType":"LEARNING","contentSlug":"b-plus-tree-structure","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_ba67525d0d4621c332f72d7ab3872846","title":"B+-Tree Definition","order":0},{"id":"seed_b021ab9809e5875a8cf668364702e044","title":"Data in Leaves Only","order":1},{"id":"seed_23764c44e0240c4c11ccdb1de7e92e00","title":"Leaf Node Linking","order":2},{"id":"seed_8c380dabc494592067d057c60c45a616","title":"Internal Nodes","order":3},{"id":"seed_e4f0f17389c96663ec654dfa9a65ea50","title":"Comparison with B-Tree","order":4}]},{"id":"seed_eff119a836a5464dc36b45df3ebf9768","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 31: B Trees And B Plus Trees","sectionOrder":35,"title":"B+-Tree Operations","order":4,"contentType":"LEARNING","contentSlug":"b-plus-tree-operations","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_39b79dfea2b0a7a8659143b66dc84b02","title":"Search in B+-tree","order":0},{"id":"seed_eca68c57cea001f10014a4e5a3144de8","title":"Range Queries","order":1},{"id":"seed_d4ed76e7d1f4edb98609d71ecaf7a394","title":"Insert with Splitting","order":2},{"id":"seed_7edce704f66b9dcb80d826ff4cfcfd4e","title":"Delete with Redistribution","order":3},{"id":"seed_936fa384b547f86904c03ca7c74e39b6","title":"Bulk Loading","order":4}]},{"id":"seed_24655ce096a2e7b610abc4f9be4c9e13","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 31: B Trees And B Plus Trees","sectionOrder":35,"title":"B+-Tree Performance Analysis","order":5,"contentType":"LEARNING","contentSlug":"b-plus-tree-performance","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_6d2180f961d1c760ac08e562bb4de4cf","title":"Height Calculation","order":0},{"id":"seed_0fe7790a2a25806f155d87b63446e5ad","title":"Node Size Selection","order":1},{"id":"seed_28153a0dba28e94a040dae054ecc1163","title":"Fanout Optimization","order":2},{"id":"seed_33e81da10e64f1e3826a92dbae2d987c","title":"I/O Cost Analysis","order":3},{"id":"seed_11dbd66cfca85db98e64604ba54475da","title":"Practical Considerations","order":4}]},{"id":"seed_623da23116f803eb28e711ea5809a5f6","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 31: B Trees B Plus Trees","sectionOrder":36,"title":"B+-Tree Variants and Optimizations","order":1,"contentType":"LEARNING","contentSlug":"b-plus-tree-variants","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_17dc6788a064ced451957c06ffe6bf23","title":"B*-Tree: The Space-Optimized Variant","order":0},{"id":"seed_40ca58e2a606ad4647b6913c178038f0","title":"Prefix B-Tree: Optimizing String Key Storage","order":1},{"id":"seed_f792bf9adbd21d18029d2be88c437b57","title":"Bulk Loading: Efficient Index Construction","order":2},{"id":"seed_9679e55c120926e989223f863d3ba6c5","title":"Database Implementations: B+-Trees in Practice","order":3},{"id":"seed_35e1fc45e4f6810e4d17a68fd724e23d","title":"Optimization Techniques: Maximizing B+-Tree Performance","order":4}]},{"id":"seed_7258f20ee6340876be2265cb7cea584e","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 32: Hash Indexing","sectionOrder":37,"title":"Hash Index Concept","order":1,"contentType":"LEARNING","contentSlug":"hash-index-concept","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_9e75556f58b96a9a8b01cb83e837afab","title":"Hashing for Indexing","order":0},{"id":"seed_d060cbdeda8a0ee3f89b8f7e6c0fff5d","title":"Hash Function","order":1},{"id":"seed_c1bcf080870d903410505d013d804dbd","title":"Bucket Concept","order":2},{"id":"seed_9f8e68c9db53efc97ce81940cc4f451c","title":"Point Queries","order":3},{"id":"seed_e415fc943ba1f914ad3bdfd056c246c6","title":"Limitations","order":4}]},{"id":"seed_af514e3ca687cd0ad0473c7294f8bc4e","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 32: Hash Indexing","sectionOrder":37,"title":"Static Hashing: Fundamentals and Implementation","order":2,"contentType":"LEARNING","contentSlug":"static-hashing","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_53c7fcd1a3d1a36111670af1b6bb1473","title":"Fixed Bucket Count: The Foundation of Static Hashing","order":0},{"id":"seed_8303f191bbb5994f02b81584de4bbf34","title":"Hash Function Design: Principles and Practice","order":1},{"id":"seed_6cb8924f0045935047c8670e5dcebd60","title":"Overflow Handling: Managing Bucket Capacity Limits","order":2},{"id":"seed_1a9532ce1e0e22cd7f2d77aeba81ef7f","title":"Chaining: Deep Dive into Linked Overflow Pages","order":3},{"id":"seed_90e8cde9d8ffb307a9f6eac08d17c84b","title":"Performance: Analyzing Static Hash Index Behavior","order":4}]},{"id":"seed_a74a994eb343b1ace77ff589a585ffa6","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 32: Hash Indexing","sectionOrder":37,"title":"Dynamic Hashing","order":3,"contentType":"LEARNING","contentSlug":"dynamic-hashing","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_268fd5feed91b2e1b90a506dec682564","title":"Dynamic Bucket Count","order":0},{"id":"seed_398f2276fd5f7fc448371bfb4c24db1b","title":"Growth Handling","order":1},{"id":"seed_16d5de4cb09341ef6580d9edca531e3e","title":"Shrinkage Handling","order":2},{"id":"seed_d88bc3b8df68db5eb2ee4af3f47d7a5c","title":"Performance Maintenance","order":3},{"id":"seed_973cb8ec89c289896a36f9a003c1233c","title":"Comparison with Static Hashing","order":4}]},{"id":"seed_0cff2248f7b6e0907a2ff579fea0cdf3","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 32: Hash Indexing","sectionOrder":37,"title":"Extendible Hashing","order":4,"contentType":"LEARNING","contentSlug":"extendible-hashing","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_12c22981e8172424f6fcc1566d6c94cf","title":"Directory Structure","order":0},{"id":"seed_99ab219a94179037e9c6ca5f5745b438","title":"Global Depth","order":1},{"id":"seed_c5970ab3b67e970f24f50952f17ef74a","title":"Local Depth","order":2},{"id":"seed_22737afdfc0e34f0c3889991dd6892ce","title":"Directory Doubling","order":3},{"id":"seed_4cfe10f76c749febef7a9c8c84f81430","title":"Bucket Splitting","order":4}]},{"id":"seed_f28e2b441fa66ca81ba8ef00e1c72de1","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 32: Hash Indexing","sectionOrder":37,"title":"Linear Hashing","order":5,"contentType":"LEARNING","contentSlug":"linear-hashing","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_83188316ac52b638bdf2709ee5aab1e1","title":"Linear Growth","order":0},{"id":"seed_a3139abe16cbd8360eed37018ec5af26","title":"Split Pointer","order":1},{"id":"seed_a25dc64a1df5cffd8261281e07ca0b96","title":"Split Trigger","order":2},{"id":"seed_de89b8443b04010bcbae41d785cbf510","title":"No Directory Needed","order":3},{"id":"seed_dd8f718072792b3ba89e93c756717ad7","title":"Performance Characteristics","order":4}]},{"id":"seed_410bdd170811fc3f0c85515c6a784c82","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 32: Hash Indexing","sectionOrder":37,"title":"Hash vs Tree Indexes: Comparative Analysis","order":6,"contentType":"LEARNING","contentSlug":"hash-vs-tree-indexes","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_7567c654c0c5f26b2426c380811faab5","title":"Fundamental Comparison: Two Philosophies of Data Access","order":0},{"id":"seed_ede73cbeb3974ab0909f38510647d246","title":"Point Query Analysis: The Equality Lookup Battleground","order":1},{"id":"seed_f2c6e94469339f7f7b08563742c5b964","title":"Range Query Analysis: The Tree Index Advantage","order":2},{"id":"seed_271596777a469cfc803dda4db1165407","title":"Space Usage Comparison: Storage and Memory Trade-offs","order":3},{"id":"seed_2ead945ad597be7d33d6617425b067c8","title":"Selection Criteria: The Practical Decision Framework","order":4}]},{"id":"seed_0d34912c7a32a40cac1dc689fe60b859","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 33: Advanced Index Structures","sectionOrder":38,"title":"Bitmap Indexes: Specialized Indexing for Analytical Workloads","order":1,"contentType":"LEARNING","contentSlug":"bitmap-indexes","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_8ceb2ce2ccdbd23e2d3624de1d78e4b7","title":"Bitmap Concept: A Different Philosophy of Indexing","order":0},{"id":"seed_bb0da27e465ef4bb63618b640900c0e3","title":"Bit Vector Per Value: Construction and Representation","order":1},{"id":"seed_02e08bf23dfdaa808ead055e2bbca994","title":"Low Cardinality Columns: The Bitmap Sweet Spot","order":2},{"id":"seed_6f8f119c9588a59338c6f8a53f217750","title":"Bitmap Operations: The Engine of Query Performance","order":3},{"id":"seed_5937782a86d79e297d8081feee0d947d","title":"Data Warehouse Usage: Bitmap Indexes in Analytical Systems","order":4}]},{"id":"seed_55188b38b732db39a2823ba02987bd42","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 33: Advanced Index Structures","sectionOrder":38,"title":"Spatial Indexes: Indexing Multi-Dimensional Data","order":2,"contentType":"LEARNING","contentSlug":"spatial-indexes","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_c02a06a9468c406e2488e3369920daa8","title":"Spatial Data: Understanding Multi-Dimensional Information","order":0},{"id":"seed_96cde7e81eef54e3195f185588edb9a0","title":"R-tree Concept: Hierarchical Bounding Rectangle Trees","order":1},{"id":"seed_8298ceb376cccbc55a85ecae660accf8","title":"MBR: The Heart of Spatial Index Approximation","order":2},{"id":"seed_dc8e98956bb368c8e499c9914d37713c","title":"R-tree Operations: Search, Insert, Split, and Delete","order":3},{"id":"seed_331e860bf56c8ff93d06317b3f7fd282","title":"Spatial Queries: From Theory to Production SQL","order":4}]},{"id":"seed_a706da66a27dc864c48d821c4248eff0","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 33: Advanced Index Structures","sectionOrder":38,"title":"Full-Text Indexing and Search","order":3,"contentType":"LEARNING","contentSlug":"full-text-indexes","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_3954778ecf665c62147269ea3b01ee9b","title":"Text Search Fundamentals","order":0},{"id":"seed_f102f9e2a6559284d45fb618636ef0cb","title":"Inverted Index Architecture","order":1},{"id":"seed_c657022a0f66d2c848eb66b5750d7f79","title":"Term Frequency and TF-IDF","order":2},{"id":"seed_0f76af24255040a90ac6ea0fb4be2213","title":"Stop Words","order":3},{"id":"seed_111d32993c4050e8e852b1df8ada73fc","title":"Relevance Ranking","order":4}]},{"id":"seed_61a531797753e80f4151be557c62afca","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 33: Advanced Index Structures","sectionOrder":38,"title":"Covering Indexes: Optimizing Query Performance Through Index Design","order":4,"contentType":"LEARNING","contentSlug":"covering-indexes","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_00fcacdf940e87b7c311fc1bd70a2fdd","title":"Understanding the Covering Index Concept","order":0},{"id":"seed_e0d340aca79617a0c2c672c855a6b173","title":"Index-Only Scans: The Execution Mechanism","order":1},{"id":"seed_81bdb9fc6b7c532c868373cd8df33384","title":"Performance Benefits of Covering Indexes","order":2},{"id":"seed_0620c9d5a0f10b8fd2c41a8c633015f2","title":"Designing Effective Covering Indexes","order":3},{"id":"seed_e2bf6fb25f4c990a919e78b42d84fcf0","title":"Covering Index Trade-offs: Understanding the Costs","order":4}]},{"id":"seed_2030f73d6a74487c81b5492f697a9b0d","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 33: Advanced Index Structures","sectionOrder":38,"title":"Multi-Column Indexes","order":5,"contentType":"LEARNING","contentSlug":"multi-column-indexes","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_c2628bd4357b99d0d6d9e55a6777313f","title":"Composite Index","order":0},{"id":"seed_5312e105b8d8ae1105bea2096ac3ccf6","title":"Column Order Importance","order":1},{"id":"seed_a54a80ddc540a5b69f394a965c5f0c07","title":"Prefix Matching","order":2},{"id":"seed_42a213bbd6cfddf3ead954a5fc528eaa","title":"Index Intersection","order":3},{"id":"seed_7f54dab675f143be5c4eb31d7e435726","title":"Design Guidelines","order":4}]},{"id":"seed_b400c40bf057510b3a7e910ed8b234b9","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 33: Advanced Index Structures","sectionOrder":38,"title":"Index Selection: The Art and Science of Strategic Indexing","order":6,"contentType":"LEARNING","contentSlug":"index-selection","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_a21e85fe0cd7f48f8b7ce3911817179c","title":"When to Create Indexes","order":0},{"id":"seed_fa8fd2c42ab2ee9c98dc7be5873b34a3","title":"Index Maintenance Cost","order":1},{"id":"seed_309812928ef990532992d8c0d7168230","title":"Query Patterns","order":2},{"id":"seed_401693635523fae83c7e2c637fa76e68","title":"Workload Analysis","order":3},{"id":"seed_cd6761960c9060ede8f2541373ab496a","title":"Auto-Indexing","order":4}]},{"id":"seed_4f144ba7c05bce8716d9d100de9aad71","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 34: Query Processing Overview","sectionOrder":39,"title":"Query Processing Steps","order":1,"contentType":"LEARNING","contentSlug":"query-processing-steps","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_1bad866a9fdb441f6e31f5930f31f9b1","title":"Query Input - The Gateway to Query Processing","order":0},{"id":"seed_ea12aa8b87a98d7a0bc1451f7eb24e4d","title":"Parsing - Transforming SQL Text into Structure","order":1},{"id":"seed_32e69cafb0dc5d7a50ca973d982d3bdd","title":"Translation - From Parse Tree to Relational Algebra","order":2},{"id":"seed_fb8f4cb3ee1b27f25b5b8f87fb67ede7","title":"Optimization - Finding the Best Execution Strategy","order":3},{"id":"seed_819c7079eae2c99fd119a535ab5a2460","title":"Execution - Transforming Plans into Results","order":4}]},{"id":"seed_14480eccbf8da0b5f7d2f4fa21ca0bad","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 34: Query Processing Overview","sectionOrder":39,"title":"Parsing and Validation","order":2,"contentType":"LEARNING","contentSlug":"parsing-and-validation","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_b6a2eac6d33450d06f8f30b83dec62e9","title":"Syntax Analysis","order":0},{"id":"seed_203cd82f3bb54e16d1cfa0167270a810","title":"Semantic Analysis","order":1},{"id":"seed_a397997ed9c1c470dff1f38005420fce","title":"Name Resolution","order":2},{"id":"seed_167d0dab0433abb255f462b4c8861238","title":"Type Checking","order":3},{"id":"seed_e246e9a450b356ff65b40611c029ab87","title":"Parse Tree","order":4}]},{"id":"seed_5e44038bf32567d2d0c86374f1eb86f3","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 34: Query Processing Overview","sectionOrder":39,"title":"Query Representation","order":3,"contentType":"LEARNING","contentSlug":"query-representation","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_4a16e007453e623c39572cf964d3d7c2","title":"Relational Algebra Trees","order":0},{"id":"seed_48db3b40d33aa815e753f318cc9da239","title":"Query Graphs","order":1},{"id":"seed_c12858ca58e33e2066c08400d1e60fa5","title":"Logical Plans","order":2},{"id":"seed_c17213ca080c71b839acdbbff185f2d8","title":"Operator Nodes","order":3},{"id":"seed_f86b8141db1f98b8d7b093119c93ca20","title":"Transformation","order":4}]},{"id":"seed_f2be773c5e1aba13f0696f773cee9fbe","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 34: Query Processing Overview","sectionOrder":39,"title":"Cost Models in Query Processing","order":4,"contentType":"LEARNING","contentSlug":"cost-models","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.196Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_23eab2ab624244d35a2608229a1cbe5d","title":"Cost Estimation","order":0},{"id":"seed_75be59a8376610f9b6ade7a20e021f95","title":"I/O Cost","order":1},{"id":"seed_59da654793a013ccfbd6176fd283deb1","title":"CPU Cost","order":2},{"id":"seed_c8d3a54bcc8e26e134e116de035548a1","title":"Statistics Usage","order":3},{"id":"seed_634ef2e1213c5d408e42806aa1a705cc","title":"Cardinality Estimation","order":4}]},{"id":"seed_0f43bc9149cb9bf97e871c09429bd46a","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 34: Query Processing Overview","sectionOrder":39,"title":"Query Execution Engine","order":5,"contentType":"LEARNING","contentSlug":"query-execution-engine","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_0ac4ddde42dd3babd1196965e4e75d7e","title":"Executor Role","order":0},{"id":"seed_f048db75d5061a7d48a6460afc39dc91","title":"Iterator Model","order":1},{"id":"seed_2d53ff10839acaa39dd8bc53e5fa3ef4","title":"Pipeline Execution","order":2},{"id":"seed_25e2a48a2f32892c69f3f9d399e9a322","title":"Materialization","order":3},{"id":"seed_5cda26d37e9d08001947848da49b98ec","title":"Parallelism","order":4}]},{"id":"seed_334ae3860197ce043bd7f55891e096b1","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 34: Query Processing Overview","sectionOrder":39,"title":"Query Compilation","order":6,"contentType":"LEARNING","contentSlug":"query-compilation","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_9bdf0736e3ac65a16799b9d28edc48a3","title":"Compiled Queries","order":0},{"id":"seed_f12cf08fa2ecf05ccf723ea4b801dc91","title":"Prepared Statements","order":1},{"id":"seed_c17729029a96a7449cd083c9d6c588a6","title":"Query Caching","order":2},{"id":"seed_1e03764679a2f5adf696681e41bc55c6","title":"Plan Reuse","order":3},{"id":"seed_9ca1001fd5b703900730b411132102df","title":"Performance Benefits","order":4}]},{"id":"seed_b44c45b808a8c9d2c21f5021104f39d6","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 35: Query Optimization","sectionOrder":40,"title":"Optimization Overview","order":1,"contentType":"LEARNING","contentSlug":"optimization-overview","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_1cfa089dd6fc57d2a6c9cde16b450f5a","title":"Optimization Goal","order":0},{"id":"seed_b57dd9fd0eab30ea23df7a61d03eebc7","title":"Search Space","order":1},{"id":"seed_fe873ff92ff8f83ec56681f91979d0d5","title":"Plan Enumeration","order":2},{"id":"seed_aaa92229d6adf3532aa8ae4c9c0986eb","title":"Cost-Based Selection","order":3},{"id":"seed_937e5dc937c9295fb9f9460ecbb533e6","title":"Time Constraints","order":4}]},{"id":"seed_2dbbcd75c066a0725c9c68f56d3ec6d5","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 35: Query Optimization","sectionOrder":40,"title":"Equivalence Rules","order":2,"contentType":"LEARNING","contentSlug":"equivalence-rules","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_5d0159ce807e07e5dc78c30203d4f088","title":"Relational Algebra Equivalences","order":0},{"id":"seed_914d911ead7836313a92e9e200ba1b3b","title":"Selection Pushdown","order":1},{"id":"seed_42c4fa0989e2543a4da277862c552758","title":"Projection Pushdown","order":2},{"id":"seed_eb162983c4aa2d56a7b4ac68ae48ff15","title":"Join Commutativity","order":3},{"id":"seed_34442f07d4f9ee7ba6c433d8cdf68ad1","title":"Join Associativity","order":4}]},{"id":"seed_480ca362a9170e8b83380273f3e1ba1b","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 35: Query Optimization","sectionOrder":40,"title":"Heuristic Optimization","order":3,"contentType":"LEARNING","contentSlug":"heuristic-optimization","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_69fd7672208bf7f484e75293803ca5e5","title":"Rule-Based Optimization","order":0},{"id":"seed_59c5f8a3f6c72a3347ce2cebfd265449","title":"Common Heuristics","order":1},{"id":"seed_c689be79d086b51a4ead5fabe805e2b2","title":"Selection Before Join","order":2},{"id":"seed_3ad0cd9ca5e29016b6f69d7a60c1b5ce","title":"Projection Early","order":3},{"id":"seed_5a57c9a2cbb09d1d75e3706f850342d4","title":"Limitations","order":4}]},{"id":"seed_df230d0e1bff2e9c6d15f9ac542a906c","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 35: Query Optimization","sectionOrder":40,"title":"Cost-Based Query Optimization","order":4,"contentType":"LEARNING","contentSlug":"cost-based-optimization","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_158b0bb1ee19549bf4c60e77de259163","title":"Cost Estimation","order":0},{"id":"seed_d9917beb241d67204c626388f0558567","title":"Plan Comparison","order":1},{"id":"seed_bcb41c0bca271974eb309e9344e6e261","title":"Dynamic Programming","order":2},{"id":"seed_f58f7e9e038155687da007417c4c55e2","title":"Bushy vs Left-Deep Trees","order":3},{"id":"seed_98e8ef548f77d523b8d881b5d9c6b179","title":"Search Strategies","order":4}]},{"id":"seed_75eaf9f4128a54e4e07ff6f8620085f0","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 35: Query Optimization","sectionOrder":40,"title":"Join Ordering in Query Optimization","order":5,"contentType":"LEARNING","contentSlug":"join-ordering","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_86e1aa45517123ab7d84a1080f7436e8","title":"Join Order Importance","order":0},{"id":"seed_caf48efb09f30b11672897d37c9a6b5e","title":"Exponential Possibilities","order":1},{"id":"seed_1d28642cf8204de40ccdb9f31d2e61da","title":"Optimal Join Order","order":2},{"id":"seed_ce130a1d997965e841e993caa5416182","title":"Heuristic Approaches","order":3},{"id":"seed_f8b47e82b0773c7e11bc407d04accecf","title":"Left-Deep Plans","order":4}]},{"id":"seed_fc9bcbcc6e9a242d4b0b8757b9723b41","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 35: Query Optimization","sectionOrder":40,"title":"Statistics and Histograms","order":6,"contentType":"LEARNING","contentSlug":"statistics-and-histograms","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.033Z","pages":[{"id":"seed_76d0434ce5398f77044d8dcb4f3e206e","title":"Table Statistics","order":0},{"id":"seed_6971a7de582fe30775a2fb3432dea996","title":"Column Statistics","order":1},{"id":"seed_d08dc6b44893e142ef5ae52713d4b3b9","title":"Histograms","order":2},{"id":"seed_4b72c7ef336f4f66a363266524a7e611","title":"Statistics Maintenance","order":3},{"id":"seed_6e5404cc3b92358de1465c743a6c5a44","title":"Estimation Accuracy","order":4}]},{"id":"seed_d87bf23078e6a2c94a965ecbb4fdac35","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 36: Physical Operators","sectionOrder":41,"title":"Access Methods: How Databases Retrieve Data","order":1,"contentType":"LEARNING","contentSlug":"dbms-access-methods","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z","pages":[{"id":"seed_70673bb8212a2a0555df884d7d0488b1","title":"Table Scan: The Foundation of Data Access","order":0},{"id":"seed_42dec754ec8f1b09783d0177f55b0fe4","title":"Index Scan: Targeted Data Retrieval","order":1},{"id":"seed_17ed96d2e352e9ecbcc4a129c07e01fa","title":"Index-Only Scan: Eliminating Row Fetches","order":2},{"id":"seed_eb0d8bc7d4ed5a8d7f65e1f42ea16a9a","title":"Bitmap Scan: The Best of Both Worlds","order":3},{"id":"seed_58215041f595f18fec0a1f519f12f7b7","title":"Access Method Selection: The Optimizer's Decision","order":4}]},{"id":"seed_82bb13169025d7aaee41feb19c19ba12","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 36: Physical Operators","sectionOrder":41,"title":"Selection Implementation","order":2,"contentType":"LEARNING","contentSlug":"selection-implementation","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z","pages":[{"id":"seed_6d686a54b0001e9195443af146a2928f","title":"Linear Scan","order":0},{"id":"seed_d53547c2dbe2555b66e73ec4765b77c8","title":"Index Selection","order":1},{"id":"seed_2d23c367637f07d5b0fe68c21df751c2","title":"Conjunctive Selection","order":2},{"id":"seed_dc33141e7d5eec131bf6663fd56a718a","title":"Disjunctive Selection","order":3},{"id":"seed_2f6c29f5e41f021ec7bf95f70ffd1d05","title":"Cost Comparison","order":4}]},{"id":"seed_de31a51808ae0ec83a56cb8c369c26ce","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 36: Physical Operators","sectionOrder":41,"title":"Nested Loop Join Algorithms","order":3,"contentType":"LEARNING","contentSlug":"nested-loop-join","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z","pages":[{"id":"seed_3eb6e3532b2d73195e950faaeeba375d","title":"Basic Nested Loop Join","order":0},{"id":"seed_8867ac06479edee995dfaba73f52f381","title":"Block Nested Loop Join","order":1},{"id":"seed_e6ee2c2ac8db84eca6c99a847dddd871","title":"Index Nested Loop Join","order":2},{"id":"seed_c5f8f7aa657a4394057ebc5a61b27c69","title":"Cost Analysis","order":3},{"id":"seed_fc42662841508f898cf0c7283d780b28","title":"When to Use Nested Loop Joins","order":4}]},{"id":"seed_e1687e32e402be33f6d067a96072e7a7","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 36: Physical Operators","sectionOrder":41,"title":"Sort-Merge Join: Algorithm, Implementation, and Optimization","order":4,"contentType":"LEARNING","contentSlug":"sort-merge-join","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z","pages":[{"id":"seed_c78bbaedce66f60c3fbbb926ed0e82d4","title":"External Sorting","order":0},{"id":"seed_6febf0588b90c87b3565c5291ca43650","title":"The Merge Phase","order":1},{"id":"seed_e0f5ba265ae7b118486b9a49f811d833","title":"Cost Analysis","order":2},{"id":"seed_166e53b3f675ebb7fdb253dfbe3c07ec","title":"Blocking Nature","order":3},{"id":"seed_2a90a3ebb9f2d7912ef340c5a0d6b079","title":"Advantages","order":4}]},{"id":"seed_683e5ef68ccb55d68c0da41ec975139c","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 36: Physical Operators","sectionOrder":41,"title":"Hash Join Algorithms","order":5,"contentType":"LEARNING","contentSlug":"hash-join","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z","pages":[{"id":"seed_e860625e3e2273ac7959d454159fae72","title":"Build Phase","order":0},{"id":"seed_9a16c26d87ab0ddd90f64502673f6888","title":"Probe Phase","order":1},{"id":"seed_7dabba6f41602a26d048e7e73c589d1e","title":"Partition Handling","order":2},{"id":"seed_c7fddd1966f0633f3b284cd1a9e6a8a4","title":"Grace Hash Join","order":3},{"id":"seed_471cb0f0dc37198100e5d34935085423","title":"Hybrid Hash Join","order":4}]},{"id":"seed_6dacb5dfa810193703bbca93d94ec087","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 36: Physical Operators","sectionOrder":41,"title":"Other Physical Operators","order":6,"contentType":"LEARNING","contentSlug":"other-operators","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z","pages":[{"id":"seed_54c6f0bec0dc65d2b394f0b8748da0ce","title":"Aggregation Operators","order":0},{"id":"seed_6c991da5909b2570ad483365f014107e","title":"Duplicate Elimination","order":1},{"id":"seed_193279db73509c8df1a052262f423085","title":"Set Operations","order":2},{"id":"seed_5424efde61a7a516814cf70113efa364","title":"Sorting Algorithms","order":3},{"id":"seed_a86804e72eaf7fe0ec9452905e33a1c6","title":"Pipelining","order":4}]},{"id":"seed_4a69d3925be9088886a8e7e5ded1f695","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 37: Distributed Databases","sectionOrder":42,"title":"Distributed Database Concepts","order":1,"contentType":"LEARNING","contentSlug":"distributed-database-concepts","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z","pages":[{"id":"seed_8e0a4212d863eeb2e2cbbc0ca9855024","title":"Distribution Motivation","order":0},{"id":"seed_b35c57e0cae87b01fd79bee1921a7682","title":"Data Fragmentation","order":1},{"id":"seed_ab251bd6ff7a6dd6ff23c36b44125fde","title":"Data Replication","order":2},{"id":"seed_a3eda6ded108bc7d15ebd905ed218590","title":"Transparency Types","order":3},{"id":"seed_79f694a0a0a3ebd92b08c1033ca47f92","title":"Architecture","order":4}]},{"id":"seed_f651210e8b149473b53d44bf5ca67ebc","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 37: Distributed Databases","sectionOrder":42,"title":"Data Fragmentation in Distributed Databases","order":2,"contentType":"LEARNING","contentSlug":"distributed-db-fragmentation","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z","pages":[{"id":"seed_153ff3888d8f4bd28db2ab19a49a67de","title":"Horizontal Fragmentation","order":0},{"id":"seed_2d0261cf4037b9909f8c36688e7aafc8","title":"Vertical Fragmentation","order":1},{"id":"seed_7c8a1d2b6beb0575cdcf2f771b275050","title":"Hybrid Fragmentation","order":2},{"id":"seed_03dc0fe3ccee118b9ad371c09cb26d60","title":"Fragmentation Design","order":3},{"id":"seed_49b6e51c547540fb6f1767e2f77b5dfb","title":"Reconstruction","order":4}]},{"id":"seed_d7406828cc837ccd9e193c11363c455e","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 37: Distributed Databases","sectionOrder":42,"title":"Replication in Distributed Databases","order":3,"contentType":"LEARNING","contentSlug":"replication","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z","pages":[{"id":"seed_4047c67dfe7316f0355f65f05274985f","title":"Replication Concepts","order":0},{"id":"seed_d2172d38a694776753830f7e09cb34cf","title":"Synchronous Replication","order":1},{"id":"seed_6cc7267224354fc9ae5d1cc7d6ad4f0f","title":"Asynchronous Replication","order":2},{"id":"seed_04de8c8f57b857467aee74d5336fcf0d","title":"Replication Strategies","order":3},{"id":"seed_3965fab8926e6d5b8f2b31e0f4ab45d9","title":"Consistency Trade-offs","order":4}]},{"id":"seed_9becad9b32f1b9fffa0d74bfcb5b4d6d","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 37: Distributed Databases","sectionOrder":42,"title":"Distributed Transactions","order":4,"contentType":"LEARNING","contentSlug":"distributed-transactions","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z","pages":[{"id":"seed_5a7ee60a5d23ebfd03d46163010ddad9","title":"Two-Phase Commit (2PC)","order":0},{"id":"seed_50b3f0feced050279962964a1026fce1","title":"Coordinator Role","order":1},{"id":"seed_b32aad891e64cfcff1828bdac04cedc4","title":"Participant Role","order":2},{"id":"seed_1c10575fc5827550a68ec2d84c774501","title":"Failure Handling","order":3},{"id":"seed_0717953f16ff65d1c62c58d638d67658","title":"Three-Phase Commit (3PC) Overview","order":4}]},{"id":"seed_e115c0d4aa683fd02d413344fece792a","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 37: Distributed Databases","sectionOrder":42,"title":"CAP Theorem: Fundamental Trade-offs in Distributed Systems","order":5,"contentType":"LEARNING","contentSlug":"dbms-cap-theorem","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z","pages":[{"id":"seed_ae77e5a01fa777b32a9d05dbcc43dff5","title":"Consistency in Distributed Systems","order":0},{"id":"seed_8c25c9295ffa9bb49d83ecd99e90f194","title":"Availability in Distributed Systems","order":1},{"id":"seed_9f24cc58219ac38e2fd7ed1db14dde55","title":"Partition Tolerance: The Inescapable Constraint","order":2},{"id":"seed_0f79db09c0a8c1d33760813f505963db","title":"CAP Trade-offs: Making the Right Choice","order":3},{"id":"seed_8e587f666c04d92fd8ed2a3dbeec6044","title":"System Classification: CP, AP, and Beyond","order":4}]},{"id":"seed_95c6f3bd417aa4812e60dcec724e9384","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 37: Distributed Databases","sectionOrder":42,"title":"Sharding: Horizontal Scaling for Distributed Databases","order":6,"contentType":"LEARNING","contentSlug":"sharding","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z","pages":[{"id":"seed_2fe1c8756346c7baba48efc26ee3583f","title":"Sharding Concept: The Foundation of Horizontal Database Scaling","order":0},{"id":"seed_6b7db5aeb7200970973352c478b4e0f1","title":"Shard Key Selection: The Art and Science of Partitioning Decisions","order":1},{"id":"seed_a2c324eb3f8861e8c5acb7a6aaeaa240","title":"Range Sharding: Partitioning by Contiguous Key Ranges","order":2},{"id":"seed_cb0a320d7c76352a29efa5d53ca19a0b","title":"Hash Sharding: Uniform Distribution Through Mathematical Elegance","order":3},{"id":"seed_02c0464c39d17aa9405741d2ce486098","title":"Resharding: The Art of Evolving Distributed Data Architectures","order":4}]},{"id":"seed_244d873e818ab6eae3e1e7458fe4bce1","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 38: Nosql Databases","sectionOrder":43,"title":"NoSQL Overview: Understanding the NoSQL Paradigm","order":1,"contentType":"LEARNING","contentSlug":"nosql-overview","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z","pages":[{"id":"seed_5e72124a220ce200091e423d86c1f6b1","title":"NoSQL Definition: Beyond 'Not Only SQL'","order":0},{"id":"seed_87cd2b144fd183f20322a2a62c694bc0","title":"NoSQL Motivation: The Forces That Changed Database Design","order":1},{"id":"seed_9616dc3f9c96fd52dcf5ed86c567627f","title":"CAP and BASE: Theoretical Foundations of Distributed Databases","order":2},{"id":"seed_3734eb6de2c88c8178ecc1de6dea3053","title":"NoSQL Categories: The Four Pillars of Non-Relational Databases","order":3},{"id":"seed_d50eeab8c0b5c3d05ac37f75c9a4fb4a","title":"Use Case Selection: Matching Databases to Requirements","order":4}]},{"id":"seed_3f92ac8c90abefca8aa28487f6d14f9a","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 38: Nosql Databases","sectionOrder":43,"title":"Key-Value Stores","order":2,"contentType":"LEARNING","contentSlug":"dbms-key-value-stores","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z","pages":[{"id":"seed_0de97ecc77b06d7127a9015edd7fdbe9","title":"Key-Value Concept","order":0},{"id":"seed_ad784e203b1794ef9de2ef1b98f21a67","title":"Simple Data Model","order":1},{"id":"seed_9e2228b891be544ba6913447dfc14d51","title":"Redis Example","order":2},{"id":"seed_db19a590b4c7ea2201bdc102e39d9869","title":"Use Cases","order":3},{"id":"seed_a30c31249b4049b6a79743aa3408da84","title":"Limitations","order":4}]},{"id":"seed_176d4144b4bd09e0a9a21b6af687ecea","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 38: Nosql Databases","sectionOrder":43,"title":"Document Databases: The Schema-Flexible NoSQL Paradigm","order":3,"contentType":"LEARNING","contentSlug":"document-databases","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z","pages":[{"id":"seed_f473d9a0f6aa57036504b99dfe328726","title":"Document Model: The Foundation of Schema Flexibility","order":0},{"id":"seed_6f6d6c1a432091bd5c254852029a1b18","title":"JSON/BSON Storage: The Physical Foundation","order":1},{"id":"seed_cf4b20f875047e590e5e8335f36d63ca","title":"MongoDB: The Premier Document Database","order":2},{"id":"seed_d66eca0650f5012646c5447473a58510","title":"Querying Documents: The Complete Query Language","order":3},{"id":"seed_9bd997b1ea80a5dbe512c23e7f6578fe","title":"Document Database Use Cases: Where Documents Excel","order":4}]},{"id":"seed_5b16c8fd5f25c60a00b8acb4fb869946","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 38: Nosql Databases","sectionOrder":43,"title":"Column-Family Databases","order":4,"contentType":"LEARNING","contentSlug":"column-family-databases","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z","pages":[{"id":"seed_b857d61669739863bfbe7a023f527127","title":"Column-Family Model","order":0},{"id":"seed_bc04c03b56f2615719fdd645bd5341dd","title":"Wide-Column Stores","order":1},{"id":"seed_436e683f0b493afed84968d0026d72b0","title":"Cassandra Example","order":2},{"id":"seed_f7f1f4f2b2ba5f015b6f9546b00ecbed","title":"Time-Series Data","order":3},{"id":"seed_1006771c028925e1f41edb3752bd93c9","title":"Use Cases","order":4}]},{"id":"seed_4b595d340e3d2df378d555f50220cae5","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 38: Nosql Databases","sectionOrder":43,"title":"Graph Databases: Modeling Connected Data","order":5,"contentType":"LEARNING","contentSlug":"dbms-graph-databases","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z","pages":[{"id":"seed_0aa4c083bc4b8dce0b46129dc359b7ec","title":"Graph Model","order":0},{"id":"seed_a8bcb02180e2d46538c0a9327d865a4b","title":"Nodes and Edges","order":1},{"id":"seed_2b3266ada45e78ea407407c90d9923e3","title":"Neo4j Example","order":2},{"id":"seed_1fc9f0991b0b9b374e946b53ba1b4c64","title":"Graph Queries","order":3},{"id":"seed_65566def774685a9bbf5d2e55b9fdde8","title":"Use Cases","order":4}]},{"id":"seed_c0dfb40ee32114fa1234f8400645aed7","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 38: Nosql Databases","sectionOrder":43,"title":"NoSQL vs SQL: A Comprehensive Comparison","order":6,"contentType":"LEARNING","contentSlug":"nosql-vs-sql","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z","pages":[{"id":"seed_04177293c4de909401c015f019bfafc8","title":"Comparison Table: SQL vs NoSQL Deep Dive","order":0},{"id":"seed_dd4491e7ab2564cf304129eba5938236","title":"When to Use SQL: The Relational Sweet Spot","order":1},{"id":"seed_6d7c272f700d55d18bbb1923c6714473","title":"When to Use NoSQL: The Distributed Data Paradigm","order":2},{"id":"seed_ff7760195d87e3b4687f86e7c491f600","title":"Polyglot Persistence: The Multi-Database Architecture","order":3},{"id":"seed_354d1ba04cd1fb3e43ca325f3b10df20","title":"Migration Considerations: Evolving Database Architecture","order":4}]},{"id":"seed_1c38b923c1ce1b4e483828b075d3df10","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 39: Data Warehousing","sectionOrder":44,"title":"OLTP vs OLAP: Understanding Transaction and Analytical Processing","order":1,"contentType":"LEARNING","contentSlug":"oltp-vs-olap","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z","pages":[{"id":"seed_83423d307c8ea8b280ce993b80f51ced","title":"OLTP Characteristics","order":0},{"id":"seed_af7b374c549ca5d89c62e764f66ad4f4","title":"OLAP Characteristics","order":1},{"id":"seed_e19ed432ce8d91346d0479716a06219d","title":"Comparison","order":2},{"id":"seed_0255a6b0518a0baf6e55b2dcd551a0ac","title":"Different Requirements","order":3},{"id":"seed_d2528e9c75b9161d5a80193cbb7b32b8","title":"Integration Challenges","order":4}]},{"id":"seed_72717504d91c19038a59cad169c8f32c","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 39: Data Warehousing","sectionOrder":44,"title":"Data Warehouse Concepts","order":2,"contentType":"LEARNING","contentSlug":"data-warehouse-concepts","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z","pages":[{"id":"seed_a1d11ef1f92acbc30f9e0a2f552191ce","title":"Data Warehouse Definition","order":0},{"id":"seed_89612e7a92af29db725ba0d52bb2dd9c","title":"Subject-Oriented","order":1},{"id":"seed_e1e5424307fee37dea08fe665637069b","title":"Integrated","order":2},{"id":"seed_8142484b75f74435f82895ec8a3f40da","title":"Time-Variant","order":3},{"id":"seed_3f30dcc8b76d4c601c6e7efcf1af510c","title":"Non-Volatile","order":4}]},{"id":"seed_e9d2b90d4e656b3a3544ca55d969b191","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 39: Data Warehousing","sectionOrder":44,"title":"Star Schema: The Foundation of Dimensional Modeling","order":3,"contentType":"LEARNING","contentSlug":"star-schema","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z","pages":[{"id":"seed_5d703cf114f0c3b1ced4fdb65fd7bfa8","title":"Fact Table: The Heart of the Star Schema","order":0},{"id":"seed_d22e824ddee0f4176bf13daccf6cae55","title":"Dimension Tables: Providing Context and Meaning","order":1},{"id":"seed_10d22d2e0322c998ebe176ec04809888","title":"Star Join: Query Patterns for Dimensional Models","order":2},{"id":"seed_cc067e564d4bf85aa1de4cb7122a2593","title":"Schema Design: From Requirements to Star Schema","order":3},{"id":"seed_68fa76c15b4a8dd2701832dcd4d120cc","title":"Benefits: Why Star Schema Dominates Analytical Design","order":4}]},{"id":"seed_14147143970ca84376e317df6347c6c6","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 39: Data Warehousing","sectionOrder":44,"title":"Snowflake Schema Design","order":4,"contentType":"LEARNING","contentSlug":"snowflake-schema","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z","pages":[{"id":"seed_29d5429a817acf28b17dee2cc65e183f","title":"Normalized Dimensions","order":0},{"id":"seed_f68c6666e36e2a5807e9c4c68cf8feb6","title":"Comparison with Star Schema","order":1},{"id":"seed_533c8c7e7a39dc55074f1154f548c5ac","title":"Trade-offs","order":2},{"id":"seed_b8d6860603ac092256a0bd48dba91b16","title":"When to Use Snowflake Schema","order":3},{"id":"seed_ebecd3c9422badde234c29083eee2872","title":"Hybrid Approaches","order":4}]},{"id":"seed_04ec22ebdc6cc4b0c3b1d72b1ba1eeb7","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 39: Data Warehousing","sectionOrder":44,"title":"ETL Process: Extract, Transform, Load","order":5,"contentType":"LEARNING","contentSlug":"etl-process","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z","pages":[{"id":"seed_7612aaa750e1c72e36b885c49be5c2cd","title":"Extract: Data Extraction from Source Systems","order":0},{"id":"seed_421e2b3fb09845d40711149b7ffc2279","title":"Transform: Data Transformation and Integration","order":1},{"id":"seed_8d430fa5ead62494e5605041f3f6caea","title":"Load: Data Loading Strategies and Techniques","order":2},{"id":"seed_92c47519afa75bfd99acf71f1fc5fcd5","title":"ETL Tools: Platforms and Technologies","order":3},{"id":"seed_7b94dfc6d3e90e6a40a408261af323f5","title":"ETL Challenges: Real-World Implementation Problems","order":4}]},{"id":"seed_777edc99ff3026df1a07f2560818c68d","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 39: Data Warehousing","sectionOrder":44,"title":"OLAP Operations: Multidimensional Data Analysis","order":6,"contentType":"LEARNING","contentSlug":"olap-operations","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z","pages":[{"id":"seed_45e2e80a584f41870b48e604fe73e9e6","title":"Roll-up: Aggregation Along Dimensional Hierarchies","order":0},{"id":"seed_96d0cad2ead0a0b336438f3a2c2081a9","title":"Drill-down: Navigating from Summary to Detail","order":1},{"id":"seed_1399983d6ee0dbc4216e967ddbbbf672","title":"Slice and Dice: Focused Multidimensional Analysis","order":2},{"id":"seed_83009a2bdf76e7e7775a48704d786a85","title":"Pivot: Rotating Dimensions for New Perspectives","order":3},{"id":"seed_72acd28de9208c67b5104c5017a95784","title":"Data Cubes: The Foundation of OLAP Architecture","order":4}]},{"id":"seed_2d776431f2e6f30a354c9fa99266559c","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 39: Data Warehousing","sectionOrder":44,"title":"Bike Fleet Last Usage Timestamp","order":7,"contentType":"PROBLEM","contentSlug":"bike-fleet-last-usage-timestamp","description":null,"estimatedMins":20,"createdAt":"2026-10-17T16:02:58.973Z","updatedAt":"2026-10-17T16:28:31.633Z","pages":[]},{"id":"seed_c6695e9d34188c424b0a1f6133738f9b","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 39: Data Warehousing","sectionOrder":44,"title":"Buyer Yearly Order Volume Report","order":8,"contentType":"PROBLEM","contentSlug":"buyer-yearly-order-volume-report","description":null,"estimatedMins":20,"createdAt":"2026-10-17T16:02:58.973Z","updatedAt":"2026-10-17T16:28:31.633Z","pages":[]},{"id":"seed_d20892b9806a9ea2908edd7b82e184b1","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 39: Data Warehousing","sectionOrder":44,"title":"Calendar Date Long-Format Renderer","order":9,"contentType":"PROBLEM","contentSlug":"calendar-date-long-format-renderer","description":null,"estimatedMins":20,"createdAt":"2026-10-17T16:02:58.973Z","updatedAt":"2026-10-17T16:28:31.633Z","pages":[]},{"id":"seed_5b9668b36b8e3938f2e2a9ed5a03c718","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 39: Data Warehousing","sectionOrder":44,"title":"Country November Climate Banding","order":10,"contentType":"PROBLEM","contentSlug":"country-november-climate-banding","description":null,"estimatedMins":20,"createdAt":"2026-10-17T16:02:58.973Z","updatedAt":"2026-10-17T16:28:31.633Z","pages":[]},{"id":"seed_03ad568c7219487ed3a36ef92de99f11","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 39: Data Warehousing","sectionOrder":44,"title":"Implement grouped research-window reporting with Spark","order":11,"contentType":"REPO","contentSlug":"research-rollups-window-export","description":null,"estimatedMins":60,"createdAt":"2026-10-17T16:02:58.973Z","updatedAt":"2026-10-17T16:28:31.633Z","pages":[]},{"id":"seed_42ebeb2b1d437c6a940345137e32d422","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 39: Data Warehousing","sectionOrder":44,"title":"Aggregate event counts and subject diversity in separate columns","order":12,"contentType":"CODE_REVIEW","contentSlug":"research-rollups-review-window-export","description":null,"estimatedMins":35,"createdAt":"2026-10-17T16:02:58.973Z","updatedAt":"2026-10-17T16:28:31.633Z","pages":[]},{"id":"seed_e9c1831e2dc6950a2c15cb981fb24d72","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 40: Modern Database Topics","sectionOrder":45,"title":"NewSQL Databases","order":1,"contentType":"LEARNING","contentSlug":"newsql-databases","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z","pages":[{"id":"seed_8454a0bde806fe7d3a98a1e462ac7104","title":"NewSQL Concept","order":0},{"id":"seed_5bcbb51bac8a0c93f07211154b40f4e6","title":"SQL with Scalability","order":1},{"id":"seed_2b562203a69fcea65c3abaea20d83cc8","title":"Google Spanner","order":2},{"id":"seed_02f7aadddb76e5f5917d5ba0d54f92cd","title":"CockroachDB","order":3},{"id":"seed_7d49a0c274dab97731653b733957d977","title":"Use Cases","order":4}]},{"id":"seed_4c9ff465d42fedeb35e355a412172b03","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 40: Modern Database Topics","sectionOrder":45,"title":"In-Memory Databases","order":2,"contentType":"LEARNING","contentSlug":"in-memory-databases","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z","pages":[{"id":"seed_29385ee6f5961e173a19a4c07eacabfa","title":"In-Memory Concept","order":0},{"id":"seed_2c5d6c7ffe83d1bbe7f531503b0d80c4","title":"Performance Benefits","order":1},{"id":"seed_637d63da03e3814d5dfc493125decc0e","title":"SAP HANA","order":2},{"id":"seed_67eceda3b50eb2ef2cb3408e170c10dc","title":"Redis","order":3},{"id":"seed_6b9c2f45fc8f1d6e15699c87af9ac0be","title":"Persistence Options","order":4}]},{"id":"seed_ef78fc1bf98a61d70d3d0f71f19352ac","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 40: Modern Database Topics","sectionOrder":45,"title":"Time-Series Databases","order":3,"contentType":"LEARNING","contentSlug":"dbms-time-series-databases","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z","pages":[{"id":"seed_513ae16aebd810bb461bf6f13064e5c7","title":"Time-Series Data","order":0},{"id":"seed_df9c6311ad1535635e39c21dc5ec33b0","title":"InfluxDB","order":1},{"id":"seed_7c1e5ed3ae7d0cca264419236985fcc7","title":"TimescaleDB","order":2},{"id":"seed_18a1bdaac48994213a390a6642c54127","title":"Retention Policies","order":3},{"id":"seed_69f07c2fc5dc1753fe92a73739f60136","title":"Use Cases","order":4}]},{"id":"seed_f028556f822078dd1cde68854ee3d763","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 40: Modern Database Topics","sectionOrder":45,"title":"Cloud Databases","order":4,"contentType":"LEARNING","contentSlug":"cloud-databases","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z","pages":[{"id":"seed_8f9ea86e81abb81d6ee9f711809bb6f7","title":"Database as a Service (DBaaS)","order":0},{"id":"seed_4734486eadc912f025e312ddf91717d8","title":"Cloud Provider Database Services","order":1},{"id":"seed_bdc6d4b5df832aa3bea9c15c943690b5","title":"Serverless Databases","order":2},{"id":"seed_5c0cf2ff35694c8c0b8e32f48a7598fc","title":"Auto-Scaling in Cloud Databases","order":3},{"id":"seed_1405f84b26407a4698bccfdeb4d30a7d","title":"Cost Considerations for Cloud Databases","order":4}]},{"id":"seed_a3cec743d612732cc44cf926be0c11f0","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 40: Modern Database Topics","sectionOrder":45,"title":"Multi-Model Databases: Unified Data Management","order":5,"contentType":"LEARNING","contentSlug":"multi-model-databases","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z","pages":[{"id":"seed_e0bf7b2145b8a2c5b82120770b6caeaa","title":"Multiple Data Models","order":0},{"id":"seed_1f8ab78d49f8f2ffffdabf10ccbc3755","title":"Single Database Architecture","order":1},{"id":"seed_7145819fea53dcb1d14f8573fbf1ba80","title":"ArangoDB: A Native Multi-Model Database","order":2},{"id":"seed_48a4612c5c5d2ee3924dece59f8e9e75","title":"Flexibility Benefits","order":3},{"id":"seed_b308862d41e484d30da5facea066c564","title":"Complexity Trade-offs","order":4}]},{"id":"seed_eb160a45537cedcbfa3e0b80fa01e0aa","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 40: Modern Database Topics","sectionOrder":45,"title":"Database Trends: The Future of Data Management","order":6,"contentType":"LEARNING","contentSlug":"database-trends","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z","pages":[{"id":"seed_3968855e96e71f8b887d310cc64ea4f9","title":"AI and ML Integration","order":0},{"id":"seed_cafa9ea741fd680a977a23c8587475b2","title":"Autonomous Databases","order":1},{"id":"seed_a14a16208b7d12966c0d1b4065e1b8e0","title":"Edge Databases","order":2},{"id":"seed_3554778e4ce07c46f8dcd2f7adac4bc9","title":"Blockchain Databases","order":3},{"id":"seed_5dded79e8ada86b8caf0526ee5dc6066","title":"Future Directions","order":4}]},{"id":"seed_9e24b5244bca7f5063ec7c5eac109cfb","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 41: Database Administration","sectionOrder":46,"title":"Database Administrator Responsibilities","order":1,"contentType":"LEARNING","contentSlug":"dba-responsibilities","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z","pages":[{"id":"seed_ac1c4678add1688e5087baa564ac954e","title":"Installation and Configuration","order":0},{"id":"seed_7f56a2b361f81e24fe7ed8b36709e0b4","title":"Performance Monitoring","order":1},{"id":"seed_ab1ea00f1862034c03eca453bdc04265","title":"Security Management","order":2},{"id":"seed_0f7abda9eba9dbcba53d4c33a75a4d54","title":"Backup and Recovery","order":3},{"id":"seed_88139a9815ebbf8796194f475376f9ba","title":"Capacity Planning","order":4}]},{"id":"seed_1a245bb8f24f79dabb1d34c364a422d7","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 41: Database Administration","sectionOrder":46,"title":"Performance Tuning","order":2,"contentType":"LEARNING","contentSlug":"performance-tuning","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z","pages":[{"id":"seed_a254a7f78a377fd9d2810b1bae553572","title":"Query Tuning","order":0},{"id":"seed_9a84b4f5eae894a24f2e83bc06689f11","title":"Index Tuning","order":1},{"id":"seed_3a62cd1e142d6920ce2857b13de021c2","title":"Configuration Tuning","order":2},{"id":"seed_6bd299beaa923fbb317b6c815c22943d","title":"Memory Tuning","order":3},{"id":"seed_6e6ce1325288721febd6a4b8ed14efed","title":"Monitoring Tools","order":4}]},{"id":"seed_fdd31fa837dfa6a632325c04f0858e47","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 41: Database Administration","sectionOrder":46,"title":"Database Security","order":3,"contentType":"LEARNING","contentSlug":"database-security","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z","pages":[{"id":"seed_5f8a5f2356cee5bab7327d9c66c90763","title":"Authentication","order":0},{"id":"seed_31bd0c994571a2143589734277e3bdb0","title":"Authorization","order":1},{"id":"seed_d3183e59568e4f6b35ca4995de1c4fc7","title":"Encryption","order":2},{"id":"seed_a5c4ef7dbd6494c3d868721426cdc904","title":"Auditing","order":3},{"id":"seed_67597f835e56e3d81cc377d83b2b1541","title":"Security Best Practices","order":4}]},{"id":"seed_1eace06d7095de5b1742db78bfc49c2c","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 41: Database Administration","sectionOrder":46,"title":"Monitoring and Alerting","order":4,"contentType":"LEARNING","contentSlug":"monitoring-and-alerting","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z","pages":[{"id":"seed_5fffe45fe5e762ec96fd9a5a30dad521","title":"Key Metrics","order":0},{"id":"seed_a2e54de5fb258f7044ead064763a258c","title":"Monitoring Tools","order":1},{"id":"seed_29cd0dca7ed1d8f57f07fbac18e938bf","title":"Alert Configuration","order":2},{"id":"seed_ab5d454c65758ef262922daf03bee6b8","title":"Dashboards","order":3},{"id":"seed_58419c9a8ed62d9cded2bc3bb278b476","title":"Proactive Management","order":4}]},{"id":"seed_19605b05c2e70619a68c444a0fb72d9a","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 41: Database Administration","sectionOrder":46,"title":"Capacity Planning","order":5,"contentType":"LEARNING","contentSlug":"capacity-planning","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z","pages":[{"id":"seed_6433d6544b97816f1c4ccf0fb1a2c650","title":"Growth Estimation","order":0},{"id":"seed_91ea42fabaa8fabdef18ff6bc474cc71","title":"Resource Planning","order":1},{"id":"seed_e7ab9723fe68d5803d4acb73ea687e37","title":"Scaling Strategies","order":2},{"id":"seed_4d089818b2d3ef7e5ea8bbb4c4f57ebb","title":"Cost Optimization","order":3},{"id":"seed_ee7bf3f86046d717d26396ca1816ef3f","title":"Future Proofing","order":4}]},{"id":"seed_d6c098cbe7277af46d59c21c4081029e","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 41: Database Administration","sectionOrder":46,"title":"Database Maintenance Tasks","order":6,"contentType":"LEARNING","contentSlug":"maintenance-tasks","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z","pages":[{"id":"seed_ab9a0436f1998b0c0f2f19d573d0f4dd","title":"Statistics Updates","order":0},{"id":"seed_65bb0a1e8055ebb25c5170ac3b231e79","title":"Index Maintenance","order":1},{"id":"seed_7c9bd389532f0efea25e002d5612207e","title":"Log Management","order":2},{"id":"seed_e1f849f9242d27bc6a57498e83e06032","title":"Patching","order":3},{"id":"seed_47b82c705e35b233a937153c294839fa","title":"Documentation","order":4}]},{"id":"seed_02b784fafc5e4dd478e8b6949f7ebb85","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 42: Dbms Design And Interview","sectionOrder":47,"title":"SQL Query Writing for Interviews","order":1,"contentType":"LEARNING","contentSlug":"sql-query-writing","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z","pages":[{"id":"seed_6142fbe6f64f92dd45e63ee42ea884c9","title":"Complex Queries","order":0},{"id":"seed_9022552e16f35a62835a812c9d575cbf","title":"Multi-Table Joins","order":1},{"id":"seed_28f30278d22a5eba611f98907150ef64","title":"Subqueries","order":2},{"id":"seed_19dd60ad8f65f04c7e3f4c3af9acf66b","title":"Window Functions","order":3},{"id":"seed_1d176650c76707d5cfe4927b3b1950dc","title":"Query Optimization","order":4}]},{"id":"seed_320319364328331c499fe0bd1fd41c16","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 42: Dbms Design And Interview","sectionOrder":47,"title":"Mastering DBMS Interview Strategies","order":2,"contentType":"LEARNING","contentSlug":"interview-strategies","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z","pages":[{"id":"seed_2cb77f5f718138ad7f7949bab449efb0","title":"Common Question Types","order":0},{"id":"seed_88898dc305a2ec28d4ec1786629784a9","title":"Problem-Solving Approach","order":1},{"id":"seed_242cd6009837aac8e97005d9b8880145","title":"Communication Tips","order":2},{"id":"seed_81f0c640b728c7272b6d10c2232293ee","title":"Practice Resources","order":3},{"id":"seed_249f8db29d0a527c0a60a7e1e6aa01bb","title":"Career Guidance","order":4}]},{"id":"seed_a09a3615951859af18b58527a1a4b74d","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 42: Dbms Design Interview","sectionOrder":48,"title":"Schema Design Problems","order":1,"contentType":"LEARNING","contentSlug":"schema-design-problems","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z","pages":[{"id":"seed_df9a73c3a0e2ea754c064b54f9dfb1f3","title":"Requirements Analysis","order":0},{"id":"seed_45790f64069e6ea1565138e4c00887a0","title":"ER Modeling","order":1},{"id":"seed_aecbcb83d8097909bc816f4ec309d1e6","title":"Normalization Decisions","order":2},{"id":"seed_b1e46efcbb9b7e6ce520d8fe0a44ed7c","title":"Table Design","order":3},{"id":"seed_947379f05d7754d2cbe52f4a3b98d282","title":"Design Review","order":4}]},{"id":"seed_708187ea27667f7b382895d78992598e","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 42: Dbms Design Interview","sectionOrder":48,"title":"Normalization Problems: Mastering Database Design Challenges","order":2,"contentType":"LEARNING","contentSlug":"normalization-problems","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z","pages":[{"id":"seed_e2b3bb06628fce05c8c1fc82ab5565ee","title":"FD Identification","order":0},{"id":"seed_b8f17b64f39bc752810a3a8f351bb6a4","title":"Normal Form Analysis","order":1},{"id":"seed_716764aa0149e89ae1c205e100126f0c","title":"Decomposition","order":2},{"id":"seed_be90e70bcacfe1a8646bf78dad0c9b92","title":"Key Finding","order":3},{"id":"seed_92e94cae8a3e157fd6f2a9d15ca450da","title":"Trade-off Analysis","order":4}]},{"id":"seed_11d7d154afae55cdc893d0fa30b6e4ac","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 42: Dbms Design Interview","sectionOrder":48,"title":"Solving Transaction Problems in DBMS Interviews","order":3,"contentType":"LEARNING","contentSlug":"transaction-problems","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z","pages":[{"id":"seed_7a19bfb983ff7f1d16ca5efdc24c3aab","title":"Schedule Analysis","order":0},{"id":"seed_70c07aae32866986a4c55a7f90190838","title":"Serializability Testing","order":1},{"id":"seed_a8e9a86708326dc6b2bc89a38a2a4893","title":"Lock Analysis","order":2},{"id":"seed_2c7cb45b811b2a8e6eab966c92b6c3d2","title":"Deadlock Detection","order":3},{"id":"seed_29dbfdd1e02b1058047e22f4a64cc9a6","title":"Recovery Scenarios","order":4}]},{"id":"seed_f2f52f697f86fbfd164f07e1d671daec","learningPathId":"seed_4efd266245e8ccabd5a598fe1877548c","section":"Chapter 42: Dbms Design Interview","sectionOrder":48,"title":"System Design Questions for Database Systems","order":4,"contentType":"LEARNING","contentSlug":"system-design-questions","description":null,"estimatedMins":50,"createdAt":"2026-10-15T17:47:45.210Z","updatedAt":"2026-10-17T16:28:31.633Z","pages":[{"id":"seed_afbf80a21c814452e9e3d26d15020ecd","title":"Database Selection","order":0},{"id":"seed_129c1c23eec0712bd1b44ac8d4472fe5","title":"Schema Design","order":1},{"id":"seed_fc08ec0def68d55ce055ef2e306297f1","title":"Scaling Strategies","order":2},{"id":"seed_343607e3976c8f8b32297fb740d07c42","title":"Consistency Models","order":3},{"id":"seed_67bc6ed1ef12d0184c9458ab379dc1c0","title":"Trade-off Discussions","order":4}]}]},"currentModule":"$45:props:state:queries:1:state:data:json:path:modules:97","prevModule":"$45:props:state:queries:1:state:data:json:path:modules:96","nextModule":"$45:props:state:queries:1:state:data:json:path:modules:98","allModules":"$45:props:state:queries:1:state:data:json:path:modules"},"meta":{"values":{"path.createdAt":["Date"],"path.updatedAt":["Date"],"path.modules.0.createdAt":["Date"],"path.modules.0.updatedAt":["Date"],"path.modules.1.createdAt":["Date"],"path.modules.1.updatedAt":["Date"],"path.modules.2.createdAt":["Date"],"path.modules.2.updatedAt":["Date"],"path.modules.3.createdAt":["Date"],"path.modules.3.updatedAt":["Date"],"path.modules.4.createdAt":["Date"],"path.modules.4.updatedAt":["Date"],"path.modules.5.createdAt":["Date"],"path.modules.5.updatedAt":["Date"],"path.modules.6.createdAt":["Date"],"path.modules.6.updatedAt":["Date"],"path.modules.7.createdAt":["Date"],"path.modules.7.updatedAt":["Date"],"path.modules.8.createdAt":["Date"],"path.modules.8.updatedAt":["Date"],"path.modules.9.createdAt":["Date"],"path.modules.9.updatedAt":["Date"],"path.modules.10.createdAt":["Date"],"path.modules.10.updatedAt":["Date"],"path.modules.11.createdAt":["Date"],"path.modules.11.updatedAt":["Date"],"path.modules.12.createdAt":["Date"],"path.modules.12.updatedAt":["Date"],"path.modules.13.createdAt":["Date"],"path.modules.13.updatedAt":["Date"],"path.modules.14.createdAt":["Date"],"path.modules.14.updatedAt":["Date"],"path.modules.15.createdAt":["Date"],"path.modules.15.updatedAt":["Date"],"path.modules.16.createdAt":["Date"],"path.modules.16.updatedAt":["Date"],"path.modules.17.createdAt":["Date"],"path.modules.17.updatedAt":["Date"],"path.modules.18.createdAt":["Date"],"path.modules.18.updatedAt":["Date"],"path.modules.19.createdAt":["Date"],"path.modules.19.updatedAt":["Date"],"path.modules.20.createdAt":["Date"],"path.modules.20.updatedAt":["Date"],"path.modules.21.createdAt":["Date"],"path.modules.21.updatedAt":["Date"],"path.modules.22.createdAt":["Date"],"path.modules.22.updatedAt":["Date"],"path.modules.23.createdAt":["Date"],"path.modules.23.updatedAt":["Date"],"path.modules.24.createdAt":["Date"],"path.modules.24.updatedAt":["Date"],"path.modules.25.createdAt":["Date"],"path.modules.25.updatedAt":["Date"],"path.modules.26.createdAt":["Date"],"path.modules.26.updatedAt":["Date"],"path.modules.27.createdAt":["Date"],"path.modules.27.updatedAt":["Date"],"path.modules.28.createdAt":["Date"],"path.modules.28.updatedAt":["Date"],"path.modules.29.createdAt":["Date"],"path.modules.29.updatedAt":["Date"],"path.modules.30.createdAt":["Date"],"path.modules.30.updatedAt":["Date"],"path.modules.31.createdAt":["Date"],"path.modules.31.updatedAt":["Date"],"path.modules.32.createdAt":["Date"],"path.modules.32.updatedAt":["Date"],"path.modules.33.createdAt":["Date"],"path.modules.33.updatedAt":["Date"],"path.modules.34.createdAt":["Date"],"path.modules.34.updatedAt":["Date"],"path.modules.35.createdAt":["Date"],"path.modules.35.updatedAt":["Date"],"path.modules.36.createdAt":["Date"],"path.modules.36.updatedAt":["Date"],"path.modules.37.createdAt":["Date"],"path.modules.37.updatedAt":["Date"],"path.modules.38.createdAt":["Date"],"path.modules.38.updatedAt":["Date"],"path.modules.39.createdAt":["Date"],"path.modules.39.updatedAt":["Date"],"path.modules.40.createdAt":["Date"],"path.modules.40.updatedAt":["Date"],"path.modules.41.createdAt":["Date"],"path.modules.41.updatedAt":["Date"],"path.modules.42.createdAt":["Date"],"path.modules.42.updatedAt":["Date"],"path.modules.43.createdAt":["Date"],"path.modules.43.updatedAt":["Date"],"path.modules.44.createdAt":["Date"],"path.modules.44.updatedAt":["Date"],"path.modules.45.createdAt":["Date"],"path.modules.45.updatedAt":["Date"],"path.modules.46.createdAt":["Date"],"path.modules.46.updatedAt":["Date"],"path.modules.47.createdAt":["Date"],"path.modules.47.updatedAt":["Date"],"path.modules.48.createdAt":["Date"],"path.modules.48.updatedAt":["Date"],"path.modules.49.createdAt":["Date"],"path.modules.49.updatedAt":["Date"],"path.modules.50.createdAt":["Date"],"path.modules.50.updatedAt":["Date"],"path.modules.51.createdAt":["Date"],"path.modules.51.updatedAt":["Date"],"path.modules.52.createdAt":["Date"],"path.modules.52.updatedAt":["Date"],"path.modules.53.createdAt":["Date"],"path.modules.53.updatedAt":["Date"],"path.modules.54.createdAt":["Date"],"path.modules.54.updatedAt":["Date"],"path.modules.55.createdAt":["Date"],"path.modules.55.updatedAt":["Date"],"path.modules.56.createdAt":["Date"],"path.modules.56.updatedAt":["Date"],"path.modules.57.createdAt":["Date"],"path.modules.57.updatedAt":["Date"],"path.modules.58.createdAt":["Date"],"path.modules.58.updatedAt":["Date"],"path.modules.59.createdAt":["Date"],"path.modules.59.updatedAt":["Date"],"path.modules.60.createdAt":["Date"],"path.modules.60.updatedAt":["Date"],"path.modules.61.createdAt":["Date"],"path.modules.61.updatedAt":["Date"],"path.modules.62.createdAt":["Date"],"path.modules.62.updatedAt":["Date"],"path.modules.63.createdAt":["Date"],"path.modules.63.updatedAt":["Date"],"path.modules.64.createdAt":["Date"],"path.modules.64.updatedAt":["Date"],"path.modules.65.createdAt":["Date"],"path.modules.65.updatedAt":["Date"],"path.modules.66.createdAt":["Date"],"path.modules.66.updatedAt":["Date"],"path.modules.67.createdAt":["Date"],"path.modules.67.updatedAt":["Date"],"path.modules.68.createdAt":["Date"],"path.modules.68.updatedAt":["Date"],"path.modules.69.createdAt":["Date"],"path.modules.69.updatedAt":["Date"],"path.modules.70.createdAt":["Date"],"path.modules.70.updatedAt":["Date"],"path.modules.71.createdAt":["Date"],"path.modules.71.updatedAt":["Date"],"path.modules.72.createdAt":["Date"],"path.modules.72.updatedAt":["Date"],"path.modules.73.createdAt":["Date"],"path.modules.73.updatedAt":["Date"],"path.modules.74.createdAt":["Date"],"path.modules.74.updatedAt":["Date"],"path.modules.75.createdAt":["Date"],"path.modules.75.updatedAt":["Date"],"path.modules.76.createdAt":["Date"],"path.modules.76.updatedAt":["Date"],"path.modules.77.createdAt":["Date"],"path.modules.77.updatedAt":["Date"],"path.modules.78.createdAt":["Date"],"path.modules.78.updatedAt":["Date"],"path.modules.79.createdAt":["Date"],"path.modules.79.updatedAt":["Date"],"path.modules.80.createdAt":["Date"],"path.modules.80.updatedAt":["Date"],"path.modules.81.createdAt":["Date"],"path.modules.81.updatedAt":["Date"],"path.modules.82.createdAt":["Date"],"path.modules.82.updatedAt":["Date"],"path.modules.83.createdAt":["Date"],"path.modules.83.updatedAt":["Date"],"path.modules.84.createdAt":["Date"],"path.modules.84.updatedAt":["Date"],"path.modules.85.createdAt":["Date"],"path.modules.85.updatedAt":["Date"],"path.modules.86.createdAt":["Date"],"path.modules.86.updatedAt":["Date"],"path.modules.87.createdAt":["Date"],"path.modules.87.updatedAt":["Date"],"path.modules.88.createdAt":["Date"],"path.modules.88.updatedAt":["Date"],"path.modules.89.createdAt":["Date"],"path.modules.89.updatedAt":["Date"],"path.modules.90.createdAt":["Date"],"path.modules.90.updatedAt":["Date"],"path.modules.91.createdAt":["Date"],"path.modules.91.updatedAt":["Date"],"path.modules.92.createdAt":["Date"],"path.modules.92.updatedAt":["Date"],"path.modules.93.createdAt":["Date"],"path.modules.93.updatedAt":["Date"],"path.modules.94.createdAt":["Date"],"path.modules.94.updatedAt":["Date"],"path.modules.95.createdAt":["Date"],"path.modules.95.updatedAt":["Date"],"path.modules.96.createdAt":["Date"],"path.modules.96.updatedAt":["Date"],"path.modules.97.createdAt":["Date"],"path.modules.97.updatedAt":["Date"],"path.modules.98.createdAt":["Date"],"path.modules.98.updatedAt":["Date"],"path.modules.99.createdAt":["Date"],"path.modules.99.updatedAt":["Date"],"path.modules.100.createdAt":["Date"],"path.modules.100.updatedAt":["Date"],"path.modules.101.createdAt":["Date"],"path.modules.101.updatedAt":["Date"],"path.modules.102.createdAt":["Date"],"path.modules.102.updatedAt":["Date"],"path.modules.103.createdAt":["Date"],"path.modules.103.updatedAt":["Date"],"path.modules.104.createdAt":["Date"],"path.modules.104.updatedAt":["Date"],"path.modules.105.createdAt":["Date"],"path.modules.105.updatedAt":["Date"],"path.modules.106.createdAt":["Date"],"path.modules.106.updatedAt":["Date"],"path.modules.107.createdAt":["Date"],"path.modules.107.updatedAt":["Date"],"path.modules.108.createdAt":["Date"],"path.modules.108.updatedAt":["Date"],"path.modules.109.createdAt":["Date"],"path.modules.109.updatedAt":["Date"],"path.modules.110.createdAt":["Date"],"path.modules.110.updatedAt":["Date"],"path.modules.111.createdAt":["Date"],"path.modules.111.updatedAt":["Date"],"path.modules.112.createdAt":["Date"],"path.modules.112.updatedAt":["Date"],"path.modules.113.createdAt":["Date"],"path.modules.113.updatedAt":["Date"],"path.modules.114.createdAt":["Date"],"path.modules.114.updatedAt":["Date"],"path.modules.115.createdAt":["Date"],"path.modules.115.updatedAt":["Date"],"path.modules.116.createdAt":["Date"],"path.modules.116.updatedAt":["Date"],"path.modules.117.createdAt":["Date"],"path.modules.117.updatedAt":["Date"],"path.modules.118.createdAt":["Date"],"path.modules.118.updatedAt":["Date"],"path.modules.119.createdAt":["Date"],"path.modules.119.updatedAt":["Date"],"path.modules.120.createdAt":["Date"],"path.modules.120.updatedAt":["Date"],"path.modules.121.createdAt":["Date"],"path.modules.121.updatedAt":["Date"],"path.modules.122.createdAt":["Date"],"path.modules.122.updatedAt":["Date"],"path.modules.123.createdAt":["Date"],"path.modules.123.updatedAt":["Date"],"path.modules.124.createdAt":["Date"],"path.modules.124.updatedAt":["Date"],"path.modules.125.createdAt":["Date"],"path.modules.125.updatedAt":["Date"],"path.modules.126.createdAt":["Date"],"path.modules.126.updatedAt":["Date"],"path.modules.127.createdAt":["Date"],"path.modules.127.updatedAt":["Date"],"path.modules.128.createdAt":["Date"],"path.modules.128.updatedAt":["Date"],"path.modules.129.createdAt":["Date"],"path.modules.129.updatedAt":["Date"],"path.modules.130.createdAt":["Date"],"path.modules.130.updatedAt":["Date"],"path.modules.131.createdAt":["Date"],"path.modules.131.updatedAt":["Date"],"path.modules.132.createdAt":["Date"],"path.modules.132.updatedAt":["Date"],"path.modules.133.createdAt":["Date"],"path.modules.133.updatedAt":["Date"],"path.modules.134.createdAt":["Date"],"path.modules.134.updatedAt":["Date"],"path.modules.135.createdAt":["Date"],"path.modules.135.updatedAt":["Date"],"path.modules.136.createdAt":["Date"],"path.modules.136.updatedAt":["Date"],"path.modules.137.createdAt":["Date"],"path.modules.137.updatedAt":["Date"],"path.modules.138.createdAt":["Date"],"path.modules.138.updatedAt":["Date"],"path.modules.139.createdAt":["Date"],"path.modules.139.updatedAt":["Date"],"path.modules.140.createdAt":["Date"],"path.modules.140.updatedAt":["Date"],"path.modules.141.createdAt":["Date"],"path.modules.141.updatedAt":["Date"],"path.modules.142.createdAt":["Date"],"path.modules.142.updatedAt":["Date"],"path.modules.143.createdAt":["Date"],"path.modules.143.updatedAt":["Date"],"path.modules.144.createdAt":["Date"],"path.modules.144.updatedAt":["Date"],"path.modules.145.createdAt":["Date"],"path.modules.145.updatedAt":["Date"],"path.modules.146.createdAt":["Date"],"path.modules.146.updatedAt":["Date"],"path.modules.147.createdAt":["Date"],"path.modules.147.updatedAt":["Date"],"path.modules.148.createdAt":["Date"],"path.modules.148.updatedAt":["Date"],"path.modules.149.createdAt":["Date"],"path.modules.149.updatedAt":["Date"],"path.modules.150.createdAt":["Date"],"path.modules.150.updatedAt":["Date"],"path.modules.151.createdAt":["Date"],"path.modules.151.updatedAt":["Date"],"path.modules.152.createdAt":["Date"],"path.modules.152.updatedAt":["Date"],"path.modules.153.createdAt":["Date"],"path.modules.153.updatedAt":["Date"],"path.modules.154.createdAt":["Date"],"path.modules.154.updatedAt":["Date"],"path.modules.155.createdAt":["Date"],"path.modules.155.updatedAt":["Date"],"path.modules.156.createdAt":["Date"],"path.modules.156.updatedAt":["Date"],"path.modules.157.createdAt":["Date"],"path.modules.157.updatedAt":["Date"],"path.modules.158.createdAt":["Date"],"path.modules.158.updatedAt":["Date"],"path.modules.159.createdAt":["Date"],"path.modules.159.updatedAt":["Date"],"path.modules.160.createdAt":["Date"],"path.modules.160.updatedAt":["Date"],"path.modules.161.createdAt":["Date"],"path.modules.161.updatedAt":["Date"],"path.modules.162.createdAt":["Date"],"path.modules.162.updatedAt":["Date"],"path.modules.163.createdAt":["Date"],"path.modules.163.updatedAt":["Date"],"path.modules.164.createdAt":["Date"],"path.modules.164.updatedAt":["Date"],"path.modules.165.createdAt":["Date"],"path.modules.165.updatedAt":["Date"],"path.modules.166.createdAt":["Date"],"path.modules.166.updatedAt":["Date"],"path.modules.167.createdAt":["Date"],"path.modules.167.updatedAt":["Date"],"path.modules.168.createdAt":["Date"],"path.modules.168.updatedAt":["Date"],"path.modules.169.createdAt":["Date"],"path.modules.169.updatedAt":["Date"],"path.modules.170.createdAt":["Date"],"path.modules.170.updatedAt":["Date"],"path.modules.171.createdAt":["Date"],"path.modules.171.updatedAt":["Date"],"path.modules.172.createdAt":["Date"],"path.modules.172.updatedAt":["Date"],"path.modules.173.createdAt":["Date"],"path.modules.173.updatedAt":["Date"],"path.modules.174.createdAt":["Date"],"path.modules.174.updatedAt":["Date"],"path.modules.175.createdAt":["Date"],"path.modules.175.updatedAt":["Date"],"path.modules.176.createdAt":["Date"],"path.modules.176.updatedAt":["Date"],"path.modules.177.createdAt":["Date"],"path.modules.177.updatedAt":["Date"],"path.modules.178.createdAt":["Date"],"path.modules.178.updatedAt":["Date"],"path.modules.179.createdAt":["Date"],"path.modules.179.updatedAt":["Date"],"path.modules.180.createdAt":["Date"],"path.modules.180.updatedAt":["Date"],"path.modules.181.createdAt":["Date"],"path.modules.181.updatedAt":["Date"],"path.modules.182.createdAt":["Date"],"path.modules.182.updatedAt":["Date"],"path.modules.183.createdAt":["Date"],"path.modules.183.updatedAt":["Date"],"path.modules.184.createdAt":["Date"],"path.modules.184.updatedAt":["Date"],"path.modules.185.createdAt":["Date"],"path.modules.185.updatedAt":["Date"],"path.modules.186.createdAt":["Date"],"path.modules.186.updatedAt":["Date"],"path.modules.187.createdAt":["Date"],"path.modules.187.updatedAt":["Date"],"path.modules.188.createdAt":["Date"],"path.modules.188.updatedAt":["Date"],"path.modules.189.createdAt":["Date"],"path.modules.189.updatedAt":["Date"],"path.modules.190.createdAt":["Date"],"path.modules.190.updatedAt":["Date"],"path.modules.191.createdAt":["Date"],"path.modules.191.updatedAt":["Date"],"path.modules.192.createdAt":["Date"],"path.modules.192.updatedAt":["Date"],"path.modules.193.createdAt":["Date"],"path.modules.193.updatedAt":["Date"],"path.modules.194.createdAt":["Date"],"path.modules.194.updatedAt":["Date"],"path.modules.195.createdAt":["Date"],"path.modules.195.updatedAt":["Date"],"path.modules.196.createdAt":["Date"],"path.modules.196.updatedAt":["Date"],"path.modules.197.createdAt":["Date"],"path.modules.197.updatedAt":["Date"],"path.modules.198.createdAt":["Date"],"path.modules.198.updatedAt":["Date"],"path.modules.199.createdAt":["Date"],"path.modules.199.updatedAt":["Date"],"path.modules.200.createdAt":["Date"],"path.modules.200.updatedAt":["Date"],"path.modules.201.createdAt":["Date"],"path.modules.201.updatedAt":["Date"],"path.modules.202.createdAt":["Date"],"path.modules.202.updatedAt":["Date"],"path.modules.203.createdAt":["Date"],"path.modules.203.updatedAt":["Date"],"path.modules.204.createdAt":["Date"],"path.modules.204.updatedAt":["Date"],"path.modules.205.createdAt":["Date"],"path.modules.205.updatedAt":["Date"],"path.modules.206.createdAt":["Date"],"path.modules.206.updatedAt":["Date"],"path.modules.207.createdAt":["Date"],"path.modules.207.updatedAt":["Date"],"path.modules.208.createdAt":["Date"],"path.modules.208.updatedAt":["Date"],"path.modules.209.createdAt":["Date"],"path.modules.209.updatedAt":["Date"],"path.modules.210.createdAt":["Date"],"path.modules.210.updatedAt":["Date"],"path.modules.211.createdAt":["Date"],"path.modules.211.updatedAt":["Date"],"path.modules.212.createdAt":["Date"],"path.modules.212.updatedAt":["Date"],"path.modules.213.createdAt":["Date"],"path.modules.213.updatedAt":["Date"],"path.modules.214.createdAt":["Date"],"path.modules.214.updatedAt":["Date"],"path.modules.215.createdAt":["Date"],"path.modules.215.updatedAt":["Date"],"path.modules.216.createdAt":["Date"],"path.modules.216.updatedAt":["Date"],"path.modules.217.createdAt":["Date"],"path.modules.217.updatedAt":["Date"],"path.modules.218.createdAt":["Date"],"path.modules.218.updatedAt":["Date"],"path.modules.219.createdAt":["Date"],"path.modules.219.updatedAt":["Date"],"path.modules.220.createdAt":["Date"],"path.modules.220.updatedAt":["Date"],"path.modules.221.createdAt":["Date"],"path.modules.221.updatedAt":["Date"],"path.modules.222.createdAt":["Date"],"path.modules.222.updatedAt":["Date"],"path.modules.223.createdAt":["Date"],"path.modules.223.updatedAt":["Date"],"path.modules.224.createdAt":["Date"],"path.modules.224.updatedAt":["Date"],"path.modules.225.createdAt":["Date"],"path.modules.225.updatedAt":["Date"],"path.modules.226.createdAt":["Date"],"path.modules.226.updatedAt":["Date"],"path.modules.227.createdAt":["Date"],"path.modules.227.updatedAt":["Date"],"path.modules.228.createdAt":["Date"],"path.modules.228.updatedAt":["Date"],"path.modules.229.createdAt":["Date"],"path.modules.229.updatedAt":["Date"],"path.modules.230.createdAt":["Date"],"path.modules.230.updatedAt":["Date"],"path.modules.231.createdAt":["Date"],"path.modules.231.updatedAt":["Date"],"path.modules.232.createdAt":["Date"],"path.modules.232.updatedAt":["Date"],"path.modules.233.createdAt":["Date"],"path.modules.233.updatedAt":["Date"],"path.modules.234.createdAt":["Date"],"path.modules.234.updatedAt":["Date"],"path.modules.235.createdAt":["Date"],"path.modules.235.updatedAt":["Date"],"path.modules.236.createdAt":["Date"],"path.modules.236.updatedAt":["Date"],"path.modules.237.createdAt":["Date"],"path.modules.237.updatedAt":["Date"],"path.modules.238.createdAt":["Date"],"path.modules.238.updatedAt":["Date"],"path.modules.239.createdAt":["Date"],"path.modules.239.updatedAt":["Date"],"path.modules.240.createdAt":["Date"],"path.modules.240.updatedAt":["Date"],"path.modules.241.createdAt":["Date"],"path.modules.241.updatedAt":["Date"],"path.modules.242.createdAt":["Date"],"path.modules.242.updatedAt":["Date"],"path.modules.243.createdAt":["Date"],"path.modules.243.updatedAt":["Date"],"path.modules.244.createdAt":["Date"],"path.modules.244.updatedAt":["Date"],"path.modules.245.createdAt":["Date"],"path.modules.245.updatedAt":["Date"],"path.modules.246.createdAt":["Date"],"path.modules.246.updatedAt":["Date"],"path.modules.247.createdAt":["Date"],"path.modules.247.updatedAt":["Date"],"path.modules.248.createdAt":["Date"],"path.modules.248.updatedAt":["Date"],"path.modules.249.createdAt":["Date"],"path.modules.249.updatedAt":["Date"],"path.modules.250.createdAt":["Date"],"path.modules.250.updatedAt":["Date"],"path.modules.251.createdAt":["Date"],"path.modules.251.updatedAt":["Date"],"path.modules.252.createdAt":["Date"],"path.modules.252.updatedAt":["Date"],"path.modules.253.createdAt":["Date"],"path.modules.253.updatedAt":["Date"],"path.modules.254.createdAt":["Date"],"path.modules.254.updatedAt":["Date"],"path.modules.255.createdAt":["Date"],"path.modules.255.updatedAt":["Date"],"path.modules.256.createdAt":["Date"],"path.modules.256.updatedAt":["Date"],"path.modules.257.createdAt":["Date"],"path.modules.257.updatedAt":["Date"],"path.modules.258.createdAt":["Date"],"path.modules.258.updatedAt":["Date"],"path.modules.259.createdAt":["Date"],"path.modules.259.updatedAt":["Date"],"path.modules.260.createdAt":["Date"],"path.modules.260.updatedAt":["Date"],"path.modules.261.createdAt":["Date"],"path.modules.261.updatedAt":["Date"],"path.modules.262.createdAt":["Date"],"path.modules.262.updatedAt":["Date"],"path.modules.263.createdAt":["Date"],"path.modules.263.updatedAt":["Date"],"path.modules.264.createdAt":["Date"],"path.modules.264.updatedAt":["Date"],"path.modules.265.createdAt":["Date"],"path.modules.265.updatedAt":["Date"],"path.modules.266.createdAt":["Date"],"path.modules.266.updatedAt":["Date"],"path.modules.267.createdAt":["Date"],"path.modules.267.updatedAt":["Date"],"path.modules.268.createdAt":["Date"],"path.modules.268.updatedAt":["Date"],"path.modules.269.createdAt":["Date"],"path.modules.269.updatedAt":["Date"],"path.modules.270.createdAt":["Date"],"path.modules.270.updatedAt":["Date"],"path.modules.271.createdAt":["Date"],"path.modules.271.updatedAt":["Date"],"path.modules.272.createdAt":["Date"],"path.modules.272.updatedAt":["Date"],"path.modules.273.createdAt":["Date"],"path.modules.273.updatedAt":["Date"],"path.modules.274.createdAt":["Date"],"path.modules.274.updatedAt":["Date"],"path.modules.275.createdAt":["Date"],"path.modules.275.updatedAt":["Date"],"path.modules.276.createdAt":["Date"],"path.modules.276.updatedAt":["Date"],"path.modules.277.createdAt":["Date"],"path.modules.277.updatedAt":["Date"],"currentModule.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.97.createdAt","currentModule.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.97.updatedAt","prevModule.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.96.createdAt","prevModule.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.96.updatedAt","nextModule.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.98.createdAt","nextModule.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.98.updatedAt","allModules.0.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.0.createdAt","allModules.0.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.0.updatedAt","allModules.1.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.1.createdAt","allModules.1.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.1.updatedAt","allModules.2.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.2.createdAt","allModules.2.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.2.updatedAt","allModules.3.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.3.createdAt","allModules.3.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.3.updatedAt","allModules.4.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.4.createdAt","allModules.4.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.4.updatedAt","allModules.5.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.5.createdAt","allModules.5.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.5.updatedAt","allModules.6.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.6.createdAt","allModules.6.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.6.updatedAt","allModules.7.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.7.createdAt","allModules.7.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.7.updatedAt","allModules.8.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.8.createdAt","allModules.8.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.8.updatedAt","allModules.9.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.9.createdAt","allModules.9.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.9.updatedAt","allModules.10.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.10.createdAt","allModules.10.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.10.updatedAt","allModules.11.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.11.createdAt","allModules.11.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.11.updatedAt","allModules.12.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.12.createdAt","allModules.12.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.12.updatedAt","allModules.13.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.13.createdAt","allModules.13.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.13.updatedAt","allModules.14.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.14.createdAt","allModules.14.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.14.updatedAt","allModules.15.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.15.createdAt","allModules.15.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.15.updatedAt","allModules.16.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.16.createdAt","allModules.16.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.16.updatedAt","allModules.17.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.17.createdAt","allModules.17.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.17.updatedAt","allModules.18.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.18.createdAt","allModules.18.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.18.updatedAt","allModules.19.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.19.createdAt","allModules.19.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.19.updatedAt","allModules.20.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.20.createdAt","allModules.20.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.20.updatedAt","allModules.21.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.21.createdAt","allModules.21.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.21.updatedAt","allModules.22.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.22.createdAt","allModules.22.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.22.updatedAt","allModules.23.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.23.createdAt","allModules.23.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.23.updatedAt","allModules.24.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.24.createdAt","allModules.24.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.24.updatedAt","allModules.25.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.25.createdAt","allModules.25.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.25.updatedAt","allModules.26.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.26.createdAt","allModules.26.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.26.updatedAt","allModules.27.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.27.createdAt","allModules.27.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.27.updatedAt","allModules.28.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.28.createdAt","allModules.28.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.28.updatedAt","allModules.29.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.29.createdAt","allModules.29.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.29.updatedAt","allModules.30.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.30.createdAt","allModules.30.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.30.updatedAt","allModules.31.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.31.createdAt","allModules.31.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.31.updatedAt","allModules.32.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.32.createdAt","allModules.32.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.32.updatedAt","allModules.33.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.33.createdAt","allModules.33.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.33.updatedAt","allModules.34.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.34.createdAt","allModules.34.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.34.updatedAt","allModules.35.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.35.createdAt","allModules.35.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.35.updatedAt","allModules.36.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.36.createdAt","allModules.36.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.36.updatedAt","allModules.37.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.37.createdAt","allModules.37.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.37.updatedAt","allModules.38.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.38.createdAt","allModules.38.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.38.updatedAt","allModules.39.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.39.createdAt","allModules.39.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.39.updatedAt","allModules.40.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.40.createdAt","allModules.40.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.40.updatedAt","allModules.41.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.41.createdAt","allModules.41.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.41.updatedAt","allModules.42.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.42.createdAt","allModules.42.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.42.updatedAt","allModules.43.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.43.createdAt","allModules.43.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.43.updatedAt","allModules.44.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.44.createdAt","allModules.44.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.44.updatedAt","allModules.45.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.45.createdAt","allModules.45.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.45.updatedAt","allModules.46.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.46.createdAt","allModules.46.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.46.updatedAt","allModules.47.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.47.createdAt","allModules.47.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.47.updatedAt","allModules.48.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.48.createdAt","allModules.48.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.48.updatedAt","allModules.49.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.49.createdAt","allModules.49.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.49.updatedAt","allModules.50.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.50.createdAt","allModules.50.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.50.updatedAt","allModules.51.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.51.createdAt","allModules.51.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.51.updatedAt","allModules.52.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.52.createdAt","allModules.52.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.52.updatedAt","allModules.53.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.53.createdAt","allModules.53.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.53.updatedAt","allModules.54.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.54.createdAt","allModules.54.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.54.updatedAt","allModules.55.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.55.createdAt","allModules.55.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.55.updatedAt","allModules.56.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.56.createdAt","allModules.56.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.56.updatedAt","allModules.57.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.57.createdAt","allModules.57.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.57.updatedAt","allModules.58.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.58.createdAt","allModules.58.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.58.updatedAt","allModules.59.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.59.createdAt","allModules.59.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.59.updatedAt","allModules.60.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.60.createdAt","allModules.60.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.60.updatedAt","allModules.61.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.61.createdAt","allModules.61.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.61.updatedAt","allModules.62.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.62.createdAt","allModules.62.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.62.updatedAt","allModules.63.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.63.createdAt","allModules.63.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.63.updatedAt","allModules.64.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.64.createdAt","allModules.64.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.64.updatedAt","allModules.65.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.65.createdAt","allModules.65.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.65.updatedAt","allModules.66.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.66.createdAt","allModules.66.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.66.updatedAt","allModules.67.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.67.createdAt","allModules.67.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.67.updatedAt","allModules.68.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.68.createdAt","allModules.68.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.68.updatedAt","allModules.69.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.69.createdAt","allModules.69.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.69.updatedAt","allModules.70.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.70.createdAt","allModules.70.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.70.updatedAt","allModules.71.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.71.createdAt","allModules.71.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.71.updatedAt","allModules.72.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.72.createdAt","allModules.72.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.72.updatedAt","allModules.73.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.73.createdAt","allModules.73.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.73.updatedAt","allModules.74.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.74.createdAt","allModules.74.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.74.updatedAt","allModules.75.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.75.createdAt","allModules.75.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.75.updatedAt","allModules.76.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.76.createdAt","allModules.76.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.76.updatedAt","allModules.77.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.77.createdAt","allModules.77.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.77.updatedAt","allModules.78.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.78.createdAt","allModules.78.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.78.updatedAt","allModules.79.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.79.createdAt","allModules.79.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.79.updatedAt","allModules.80.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.80.createdAt","allModules.80.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.80.updatedAt","allModules.81.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.81.createdAt","allModules.81.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.81.updatedAt","allModules.82.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.82.createdAt","allModules.82.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.82.updatedAt","allModules.83.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.83.createdAt","allModules.83.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.83.updatedAt","allModules.84.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.84.createdAt","allModules.84.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.84.updatedAt","allModules.85.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.85.createdAt","allModules.85.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.85.updatedAt","allModules.86.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.86.createdAt","allModules.86.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.86.updatedAt","allModules.87.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.87.createdAt","allModules.87.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.87.updatedAt","allModules.88.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.88.createdAt","allModules.88.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.88.updatedAt","allModules.89.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.89.createdAt","allModules.89.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.89.updatedAt","allModules.90.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.90.createdAt","allModules.90.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.90.updatedAt","allModules.91.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.91.createdAt","allModules.91.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.91.updatedAt","allModules.92.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.92.createdAt","allModules.92.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.92.updatedAt","allModules.93.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.93.createdAt","allModules.93.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.93.updatedAt","allModules.94.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.94.createdAt","allModules.94.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.94.updatedAt","allModules.95.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.95.createdAt","allModules.95.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.95.updatedAt","allModules.96.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.96.createdAt","allModules.96.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.96.updatedAt","allModules.97.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.97.createdAt","allModules.97.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.97.updatedAt","allModules.98.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.98.createdAt","allModules.98.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.98.updatedAt","allModules.99.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.99.createdAt","allModules.99.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.99.updatedAt","allModules.100.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.100.createdAt","allModules.100.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.100.updatedAt","allModules.101.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.101.createdAt","allModules.101.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.101.updatedAt","allModules.102.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.102.createdAt","allModules.102.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.102.updatedAt","allModules.103.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.103.createdAt","allModules.103.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.103.updatedAt","allModules.104.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.104.createdAt","allModules.104.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.104.updatedAt","allModules.105.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.105.createdAt","allModules.105.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.105.updatedAt","allModules.106.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.106.createdAt","allModules.106.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.106.updatedAt","allModules.107.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.107.createdAt","allModules.107.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.107.updatedAt","allModules.108.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.108.createdAt","allModules.108.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.108.updatedAt","allModules.109.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.109.createdAt","allModules.109.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.109.updatedAt","allModules.110.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.110.createdAt","allModules.110.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.110.updatedAt","allModules.111.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.111.createdAt","allModules.111.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.111.updatedAt","allModules.112.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.112.createdAt","allModules.112.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.112.updatedAt","allModules.113.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.113.createdAt","allModules.113.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.113.updatedAt","allModules.114.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.114.createdAt","allModules.114.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.114.updatedAt","allModules.115.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.115.createdAt","allModules.115.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.115.updatedAt","allModules.116.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.116.createdAt","allModules.116.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.116.updatedAt","allModules.117.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.117.createdAt","allModules.117.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.117.updatedAt","allModules.118.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.118.createdAt","allModules.118.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.118.updatedAt","allModules.119.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.119.createdAt","allModules.119.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.119.updatedAt","allModules.120.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.120.createdAt","allModules.120.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.120.updatedAt","allModules.121.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.121.createdAt","allModules.121.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.121.updatedAt","allModules.122.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.122.createdAt","allModules.122.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.122.updatedAt","allModules.123.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.123.createdAt","allModules.123.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.123.updatedAt","allModules.124.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.124.createdAt","allModules.124.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.124.updatedAt","allModules.125.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.125.createdAt","allModules.125.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.125.updatedAt","allModules.126.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.126.createdAt","allModules.126.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.126.updatedAt","allModules.127.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.127.createdAt","allModules.127.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.127.updatedAt","allModules.128.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.128.createdAt","allModules.128.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.128.updatedAt","allModules.129.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.129.createdAt","allModules.129.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.129.updatedAt","allModules.130.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.130.createdAt","allModules.130.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.130.updatedAt","allModules.131.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.131.createdAt","allModules.131.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.131.updatedAt","allModules.132.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.132.createdAt","allModules.132.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.132.updatedAt","allModules.133.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.133.createdAt","allModules.133.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.133.updatedAt","allModules.134.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.134.createdAt","allModules.134.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.134.updatedAt","allModules.135.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.135.createdAt","allModules.135.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.135.updatedAt","allModules.136.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.136.createdAt","allModules.136.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.136.updatedAt","allModules.137.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.137.createdAt","allModules.137.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.137.updatedAt","allModules.138.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.138.createdAt","allModules.138.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.138.updatedAt","allModules.139.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.139.createdAt","allModules.139.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.139.updatedAt","allModules.140.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.140.createdAt","allModules.140.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.140.updatedAt","allModules.141.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.141.createdAt","allModules.141.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.141.updatedAt","allModules.142.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.142.createdAt","allModules.142.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.142.updatedAt","allModules.143.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.143.createdAt","allModules.143.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.143.updatedAt","allModules.144.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.144.createdAt","allModules.144.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.144.updatedAt","allModules.145.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.145.createdAt","allModules.145.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.145.updatedAt","allModules.146.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.146.createdAt","allModules.146.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.146.updatedAt","allModules.147.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.147.createdAt","allModules.147.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.147.updatedAt","allModules.148.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.148.createdAt","allModules.148.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.148.updatedAt","allModules.149.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.149.createdAt","allModules.149.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.149.updatedAt","allModules.150.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.150.createdAt","allModules.150.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.150.updatedAt","allModules.151.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.151.createdAt","allModules.151.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.151.updatedAt","allModules.152.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.152.createdAt","allModules.152.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.152.updatedAt","allModules.153.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.153.createdAt","allModules.153.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.153.updatedAt","allModules.154.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.154.createdAt","allModules.154.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.154.updatedAt","allModules.155.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.155.createdAt","allModules.155.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.155.updatedAt","allModules.156.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.156.createdAt","allModules.156.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.156.updatedAt","allModules.157.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.157.createdAt","allModules.157.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.157.updatedAt","allModules.158.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.158.createdAt","allModules.158.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.158.updatedAt","allModules.159.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.159.createdAt","allModules.159.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.159.updatedAt","allModules.160.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.160.createdAt","allModules.160.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.160.updatedAt","allModules.161.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.161.createdAt","allModules.161.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.161.updatedAt","allModules.162.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.162.createdAt","allModules.162.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.162.updatedAt","allModules.163.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.163.createdAt","allModules.163.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.163.updatedAt","allModules.164.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.164.createdAt","allModules.164.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.164.updatedAt","allModules.165.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.165.createdAt","allModules.165.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.165.updatedAt","allModules.166.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.166.createdAt","allModules.166.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.166.updatedAt","allModules.167.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.167.createdAt","allModules.167.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.167.updatedAt","allModules.168.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.168.createdAt","allModules.168.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.168.updatedAt","allModules.169.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.169.createdAt","allModules.169.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.169.updatedAt","allModules.170.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.170.createdAt","allModules.170.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.170.updatedAt","allModules.171.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.171.createdAt","allModules.171.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.171.updatedAt","allModules.172.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.172.createdAt","allModules.172.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.172.updatedAt","allModules.173.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.173.createdAt","allModules.173.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.173.updatedAt","allModules.174.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.174.createdAt","allModules.174.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.174.updatedAt","allModules.175.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.175.createdAt","allModules.175.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.175.updatedAt","allModules.176.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.176.createdAt","allModules.176.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.176.updatedAt","allModules.177.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.177.createdAt","allModules.177.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.177.updatedAt","allModules.178.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.178.createdAt","allModules.178.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.178.updatedAt","allModules.179.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.179.createdAt","allModules.179.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.179.updatedAt","allModules.180.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.180.createdAt","allModules.180.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.180.updatedAt","allModules.181.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.181.createdAt","allModules.181.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.181.updatedAt","allModules.182.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.182.createdAt","allModules.182.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.182.updatedAt","allModules.183.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.183.createdAt","allModules.183.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.183.updatedAt","allModules.184.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.184.createdAt","allModules.184.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.184.updatedAt","allModules.185.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.185.createdAt","allModules.185.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.185.updatedAt","allModules.186.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.186.createdAt","allModules.186.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.186.updatedAt","allModules.187.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.187.createdAt","allModules.187.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.187.updatedAt","allModules.188.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.188.createdAt","allModules.188.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.188.updatedAt","allModules.189.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.189.createdAt","allModules.189.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.189.updatedAt","allModules.190.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.190.createdAt","allModules.190.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.190.updatedAt","allModules.191.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.191.createdAt","allModules.191.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.191.updatedAt","allModules.192.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.192.createdAt","allModules.192.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.192.updatedAt","allModules.193.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.193.createdAt","allModules.193.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.193.updatedAt","allModules.194.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.194.createdAt","allModules.194.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.194.updatedAt","allModules.195.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.195.createdAt","allModules.195.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.195.updatedAt","allModules.196.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.196.createdAt","allModules.196.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.196.updatedAt","allModules.197.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.197.createdAt","allModules.197.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.197.updatedAt","allModules.198.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.198.createdAt","allModules.198.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.198.updatedAt","allModules.199.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.199.createdAt","allModules.199.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.199.updatedAt","allModules.200.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.200.createdAt","allModules.200.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.200.updatedAt","allModules.201.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.201.createdAt","allModules.201.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.201.updatedAt","allModules.202.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.202.createdAt","allModules.202.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.202.updatedAt","allModules.203.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.203.createdAt","allModules.203.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.203.updatedAt","allModules.204.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.204.createdAt","allModules.204.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.204.updatedAt","allModules.205.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.205.createdAt","allModules.205.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.205.updatedAt","allModules.206.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.206.createdAt","allModules.206.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.206.updatedAt","allModules.207.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.207.createdAt","allModules.207.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.207.updatedAt","allModules.208.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.208.createdAt","allModules.208.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.208.updatedAt","allModules.209.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.209.createdAt","allModules.209.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.209.updatedAt","allModules.210.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.210.createdAt","allModules.210.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.210.updatedAt","allModules.211.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.211.createdAt","allModules.211.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.211.updatedAt","allModules.212.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.212.createdAt","allModules.212.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.212.updatedAt","allModules.213.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.213.createdAt","allModules.213.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.213.updatedAt","allModules.214.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.214.createdAt","allModules.214.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.214.updatedAt","allModules.215.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.215.createdAt","allModules.215.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.215.updatedAt","allModules.216.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.216.createdAt","allModules.216.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.216.updatedAt","allModules.217.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.217.createdAt","allModules.217.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.217.updatedAt","allModules.218.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.218.createdAt","allModules.218.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.218.updatedAt","allModules.219.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.219.createdAt","allModules.219.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.219.updatedAt","allModules.220.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.220.createdAt","allModules.220.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.220.updatedAt","allModules.221.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.221.createdAt","allModules.221.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.221.updatedAt","allModules.222.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.222.createdAt","allModules.222.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.222.updatedAt","allModules.223.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.223.createdAt","allModules.223.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.223.updatedAt","allModules.224.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.224.createdAt","allModules.224.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.224.updatedAt","allModules.225.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.225.createdAt","allModules.225.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.225.updatedAt","allModules.226.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.226.createdAt","allModules.226.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.226.updatedAt","allModules.227.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.227.createdAt","allModules.227.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.227.updatedAt","allModules.228.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.228.createdAt","allModules.228.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.228.updatedAt","allModules.229.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.229.createdAt","allModules.229.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.229.updatedAt","allModules.230.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.230.createdAt","allModules.230.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.230.updatedAt","allModules.231.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.231.createdAt","allModules.231.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.231.updatedAt","allModules.232.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.232.createdAt","allModules.232.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.232.updatedAt","allModules.233.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.233.createdAt","allModules.233.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.233.updatedAt","allModules.234.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.234.createdAt","allModules.234.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.234.updatedAt","allModules.235.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.235.createdAt","allModules.235.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.235.updatedAt","allModules.236.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.236.createdAt","allModules.236.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.236.updatedAt","allModules.237.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.237.createdAt","allModules.237.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.237.updatedAt","allModules.238.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.238.createdAt","allModules.238.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.238.updatedAt","allModules.239.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.239.createdAt","allModules.239.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.239.updatedAt","allModules.240.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.240.createdAt","allModules.240.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.240.updatedAt","allModules.241.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.241.createdAt","allModules.241.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.241.updatedAt","allModules.242.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.242.createdAt","allModules.242.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.242.updatedAt","allModules.243.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.243.createdAt","allModules.243.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.243.updatedAt","allModules.244.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.244.createdAt","allModules.244.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.244.updatedAt","allModules.245.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.245.createdAt","allModules.245.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.245.updatedAt","allModules.246.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.246.createdAt","allModules.246.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.246.updatedAt","allModules.247.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.247.createdAt","allModules.247.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.247.updatedAt","allModules.248.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.248.createdAt","allModules.248.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.248.updatedAt","allModules.249.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.249.createdAt","allModules.249.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.249.updatedAt","allModules.250.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.250.createdAt","allModules.250.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.250.updatedAt","allModules.251.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.251.createdAt","allModules.251.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.251.updatedAt","allModules.252.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.252.createdAt","allModules.252.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.252.updatedAt","allModules.253.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.253.createdAt","allModules.253.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.253.updatedAt","allModules.254.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.254.createdAt","allModules.254.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.254.updatedAt","allModules.255.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.255.createdAt","allModules.255.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.255.updatedAt","allModules.256.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.256.createdAt","allModules.256.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.256.updatedAt","allModules.257.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.257.createdAt","allModules.257.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.257.updatedAt","allModules.258.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.258.createdAt","allModules.258.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.258.updatedAt","allModules.259.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.259.createdAt","allModules.259.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.259.updatedAt","allModules.260.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.260.createdAt","allModules.260.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.260.updatedAt","allModules.261.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.261.createdAt","allModules.261.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.261.updatedAt","allModules.262.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.262.createdAt","allModules.262.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.262.updatedAt","allModules.263.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.263.createdAt","allModules.263.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.263.updatedAt","allModules.264.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.264.createdAt","allModules.264.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.264.updatedAt","allModules.265.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.265.createdAt","allModules.265.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.265.updatedAt","allModules.266.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.266.createdAt","allModules.266.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.266.updatedAt","allModules.267.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.267.createdAt","allModules.267.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.267.updatedAt","allModules.268.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.268.createdAt","allModules.268.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.268.updatedAt","allModules.269.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.269.createdAt","allModules.269.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.269.updatedAt","allModules.270.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.270.createdAt","allModules.270.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.270.updatedAt","allModules.271.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.271.createdAt","allModules.271.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.271.updatedAt","allModules.272.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.272.createdAt","allModules.272.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.272.updatedAt","allModules.273.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.273.createdAt","allModules.273.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.273.updatedAt","allModules.274.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.274.createdAt","allModules.274.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.274.updatedAt","allModules.275.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.275.createdAt","allModules.275.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.275.updatedAt","allModules.276.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.276.createdAt","allModules.276.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.276.updatedAt","allModules.277.createdAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.277.createdAt","allModules.277.updatedAt":"$45:props:state:queries:1:state:data:meta:values:path.modules.277.updatedAt"},"referentialEqualities":{"allModules":["path.modules"],"prevModule":["path.modules.96"],"currentModule":["path.modules.97"],"nextModule":["path.modules.98"]},"v":1}},"dataUpdateCount":1,"dataUpdatedAt":1792301077266,"error":null,"errorUpdateCount":0,"errorUpdatedAt":0,"fetchFailureCount":0,"fetchFailureReason":null,"fetchMeta":null,"isInvalidated":false,"status":"success","fetchStatus":"idle"},"queryKey":[["learningPaths","getModule"],{"input":{"pathSlug":"dbms","contentType":"LEARNING","contentSlug":"analytic-functions"},"type":"query"}],"queryHash":"[[\"learningPaths\",\"getModule\"],{\"input\":{\"contentSlug\":\"analytic-functions\",\"contentType\":\"LEARNING\",\"pathSlug\":\"dbms\"},\"type\":\"query\"}]"},{"dehydratedAt":1792301077449,"state":{"data":{"json":{"id":"seed_d180a55b3e008e5be4917ef5003c1198","slug":"analytic-functions","category":"Database Management Systems","topic":"Analytic Functions","title":"Analytic Functions","description":"Master SQL analytic functions for sophisticated data analysis. Learn LAG, LEAD, FIRST_VALUE, LAST_VALUE, running totals, moving averages, and cumulative computations to perform complex row-by-row analysis without self-joins.","difficulty":"ADVANCED","estimatedMinutes":120,"pages":[{"id":"seed_1ac63b8ec692f844eadebc1ed3397303","title":"LAG and LEAD","order":0,"content":[{"id":"opening-hook","title":"Accessing Neighboring Rows Without Self-Joins","content":[{"data":{"content":"$71"},"type":"text"},{"data":{"icon":"Target","title":"What You Will Learn","content":"By the end of this page, you will understand the complete syntax and semantics of LAG and LEAD functions, including offset parameters, default values, and NULL handling. You'll master partitioning and ordering for complex multi-group analysis, explore real-world use cases from trend detection to gap analysis, and learn performance optimization strategies for production systems.","variant":"info"},"type":"callout"}]},{"id":"conceptual-model","title":"Understanding the Conceptual Model","content":[{"data":{"content":"Before diving into syntax, let's establish a solid conceptual foundation. LAG and LEAD are **offset functions** within the broader category of **window functions** (also called analytic functions or OLAP functions).\n\n**The Window Function Paradigm:**\n\nUnlike aggregate functions that collapse multiple rows into a single result, window functions compute a value for **each row** based on a **window** or **frame** of related rows. The key insight is that the original row is preserved—the computation adds information without reducing the row count.\n\n**The Ordered Sequence Model:**\n\nLAG and LEAD specifically operate on an **ordered sequence** of rows. Within this sequence:\n- **LAG** looks **backward** to access values from rows that come before the current row\n- **LEAD** looks **forward** to access values from rows that come after the current row"},"type":"text"},{"data":{"height":"400px","mermaidSyntax":"flowchart LR\n subgraph OrderedPartition[\"Ordered Row Sequence\"]\n A[\"Row 1\nvalue: 100\"]\n B[\"Row 2\nvalue: 150\"]\n C[\"Row 3\nvalue: 200\"]\n D[\"Row 4\nvalue: 175\"]\n E[\"Row 5\nvalue: 225\"]\n end\n \n A --> B --> C --> D --> E\n \n subgraph CurrentRow[\"Current Row (Row 3)\"]\n C_detail[\"value: 200\nLAG(value, 1) = 150\nLAG(value, 2) = 100\nLEAD(value, 1) = 175\nLEAD(value, 2) = 225\"]\n end\n \n B -.->|\"LAG offset 1\"| C_detail\n A -.->|\"LAG offset 2\"| C_detail\n D -.->|\"LEAD offset 1\"| C_detail\n E -.->|\"LEAD offset 2\"| C_detail"},"type":"mermaid-excalidraw"},{"data":{"content":"**Key Terminology:**\n\n**Partition:** A logical grouping of rows over which the window function operates. LAG and LEAD compute values independently within each partition. If no partition is specified, the entire result set is one partition.\n\n**Order:** The sequence in which rows are arranged within each partition. This ordering is **critical** for LAG and LEAD—without order, 'previous' and 'next' have no meaning.\n\n**Offset:** How many rows backward (LAG) or forward (LEAD) to look. An offset of 1 means the immediately preceding/following row; 2 means two rows back/forward.\n\n**Default Value:** What to return when the offset goes beyond the partition boundary (e.g., LAG on the first row has no previous row)."},"type":"text"},{"data":{"icon":"Lightbulb","title":"Mental Model: Sliding Window Pointer","content":"Think of LAG and LEAD as a pointer that slides through your ordered data. At each row position, LAG peeks backwards and LEAD peeks forwards. The offset parameter controls how far the peek extends. This pointer-based mental model helps when debugging complex window expressions.","variant":"tip"},"type":"callout"}],"titleType":"number","titleNumber":1},{"id":"syntax-reference","title":"Complete Syntax Reference","content":[{"data":{"content":"Let's examine the complete syntax for both LAG and LEAD functions, including all optional parameters."},"type":"text"},{"data":{"code":"-- Full LAG syntax\nLAG(expression [, offset [, default_value]])\nOVER (\n [PARTITION BY partition_expression, ...]\n ORDER BY sort_expression [ASC | DESC] [NULLS FIRST | NULLS LAST], ...\n)\n\n-- Full LEAD syntax \nLEAD(expression [, offset [, default_value]])\nOVER (\n [PARTITION BY partition_expression, ...]\n ORDER BY sort_expression [ASC | DESC] [NULLS FIRST | NULLS LAST], ...\n)","fileName":"lag_lead_syntax.sql","languages":[{"label":"SQL","value":"sql"}]},"type":"code"},{"data":{"rows":[["**expression**","Yes","—","The column or expression whose value to retrieve from the offset row"],["**offset**","No","1","Number of rows backward (LAG) or forward (LEAD) from current row"],["**default_value**","No","NULL","Value returned when offset goes beyond partition boundaries"],["**PARTITION BY**","No","Entire result set","Divides rows into groups; LAG/LEAD reset at partition boundaries"],["**ORDER BY**","Yes*","—","Defines row sequence within partition (*required for meaningful results)"],["**NULLS FIRST/LAST**","No","Implementation-dependent","Where NULLs appear in the ordering"]],"caption":"LAG and LEAD Parameters Explained","headers":["Parameter","Required","Default","Description"]},"type":"table"},{"data":{"content":"**Important Syntax Notes:**\n\n**1. ORDER BY is Semantically Required:**\n\nWhile some databases may not syntactically require ORDER BY, omitting it produces nondeterministic results. Without ordering, 'previous' and 'next' are undefined—the database may return any arbitrary row.\n\n**2. Offset Must Be Non-Negative:**\n\nThe offset parameter must be 0 or a positive integer. Zero returns the current row's value (rarely useful). Negative offsets are not supported.\n\n**3. Default Value Type Compatibility:**\n\nThe default value must be implicitly convertible to the expression's data type. Mismatched types cause runtime errors."},"type":"text"},{"data":{"code":"$72","fileName":"basic_lag_lead_examples.sql","languages":[{"label":"SQL","value":"sql"}]},"type":"code"},{"data":{"icon":"Info","title":"NULL in First/Last Rows","content":"Notice that LAG returns NULL for the first row (no previous row exists) and LEAD returns NULL for the last row (no next row exists). This boundary behavior is critical to understand—it often requires special handling with COALESCE or default values.","variant":"note"},"type":"callout"}],"titleType":"number","titleNumber":2},{"id":"offset-default-mechanics","title":"Offset and Default Value Mechanics","content":[{"data":{"content":"The offset parameter extends LAG and LEAD beyond immediate neighbors, while the default value parameter handles boundary conditions gracefully. Let's explore these mechanics in depth."},"type":"text"},{"data":{"code":"-- Multi-offset example: Compare current value to multiple previous periods\nSELECT \n date,\n revenue,\n LAG(revenue, 1) OVER (ORDER BY date) AS prev_1_day,\n LAG(revenue, 7) OVER (ORDER BY date) AS prev_7_days,\n LAG(revenue, 30) OVER (ORDER BY date) AS prev_30_days\nFROM daily_sales;\n\n-- This enables week-over-week and month-over-month comparisons\n-- in a single query without self-joins\n\n-- Using default values to handle boundaries\nSELECT \n date,\n revenue,\n LAG(revenue, 1, 0) OVER (ORDER BY date) AS prev_revenue,\n revenue - LAG(revenue, 1, revenue) OVER (ORDER BY date) AS change_from_prev\nFROM daily_sales;\n\n-- With default = 0: First row shows 0 for prev_revenue\n-- With default = revenue: First row shows 0 change (compares to itself)\n\n-- Expression as default value\nSELECT \n date,\n revenue,\n LAG(revenue, 1, revenue * 0.9) OVER (ORDER BY date) AS prev_or_estimate\nFROM daily_sales;\n-- First row uses 90% of current revenue as an estimate","fileName":"offset_examples.sql","languages":[{"label":"SQL","value":"sql"}]},"type":"code"},{"data":{"content":"**Dynamic Offset Considerations:**\n\nThe offset parameter must typically be a constant or scalar value—it cannot be a column reference that varies per row. If you need variable offsets, you'll need alternative approaches:\n\n- Self-joins with calculated offsets\n- ROWS/RANGE frame specifications (covered in Module 4)\n- Stored procedure logic\n\n**Default Value Strategies:**"},"type":"text"},{"data":{"rows":[["Percentage change","`NULL`","NULL propagates through division, avoiding division by zero"],["Running difference","`0`","First row shows full value as the initial change"],["Same as current","`expression`","Boundary rows compare to themselves, showing zero change"],["Conservative estimate","`MIN(expression)`","Use known minimum when previous is unavailable"],["Flag for handling","`-99999`","Sentinel value that application code recognizes and handles specially"]],"caption":"Common Default Value Patterns","headers":["Scenario","Default Value","Rationale"]},"type":"table"},{"data":{"code":"-- Pattern 1: Using COALESCE for boundary handling\nSELECT \n date,\n revenue,\n COALESCE(\n LAG(revenue) OVER (ORDER BY date),\n revenue -- Use current value if no previous exists\n ) AS prev_or_current\nFROM daily_sales;\n\n-- Pattern 2: Using CASE for complex boundary logic\nSELECT \n date,\n revenue,\n CASE \n WHEN LAG(revenue) OVER (ORDER BY date) IS NULL THEN 'First Record'\n WHEN revenue > LAG(revenue) OVER (ORDER BY date) THEN 'Increased'\n WHEN revenue < LAG(revenue) OVER (ORDER BY date) THEN 'Decreased'\n ELSE 'Unchanged'\n END AS trend\nFROM daily_sales;\n\n-- Pattern 3: Separate flag for boundary rows\nSELECT \n date,\n revenue,\n LAG(revenue) OVER (ORDER BY date) AS prev_revenue,\n CASE \n WHEN ROW_NUMBER() OVER (ORDER BY date) = 1 THEN TRUE \n ELSE FALSE \n END AS is_first_row\nFROM daily_sales;","fileName":"null_handling_patterns.sql","languages":[{"label":"SQL","value":"sql"}]},"type":"code"},{"data":{"icon":"AlertCircle","title":"NULL vs Default: Different Semantics","content":"A NULL from LAG/LEAD means 'no row at that offset exists.' A default value substitutes for this NULL. Be careful: if your data legitimately contains NULL values, you can't distinguish 'no previous row' from 'previous row has NULL value' unless you use a sentinel default that can't occur naturally in your data.","variant":"warning"},"type":"callout"}],"titleType":"number","titleNumber":3},{"id":"partitioning-grouped-analysis","title":"Partitioning for Grouped Analysis","content":[{"data":{"content":"PARTITION BY is the key to multi-group analysis. It divides the dataset into independent groups, with LAG and LEAD operating separately within each partition. This enables powerful comparative analytics across categories, time periods, or any grouping dimension.\n\n**The Partition Boundary Effect:**\n\nWhen rows are partitioned, LAG and LEAD cannot 'see' across partition boundaries. The first row of each partition has no LAG predecessor; the last row has no LEAD successor—even if rows from other partitions physically exist before/after."},"type":"text"},{"data":{"height":"350px","mermaidSyntax":"flowchart TB\n subgraph PartitionA[\"Partition A (Product A)\"]\n A1[\"Row 1\n2024-01-01\n1000\"]\n A2[\"Row 2\n2024-01-02\n1200\"]\n A3[\"Row 3\n2024-01-03\n950\"]\n end\n \n subgraph PartitionB[\"Partition B (Product B)\"]\n B1[\"Row 1\n2024-01-01\n500\"]\n B2[\"Row 2\n2024-01-02\n600\"]\n B3[\"Row 3\n2024-01-03\n550\"]\n end\n \n A1 --> A2 --> A3\n B1 --> B2 --> B3\n \n Note1[\"LAG for A2 = 1000 (from A1)\nLAG for B1 = NULL (partition boundary)\nNOT 950 from A3!\"]"},"type":"mermaid-excalidraw"},{"data":{"code":"$73","fileName":"partition_examples.sql","languages":[{"label":"SQL","value":"sql"}]},"type":"code"},{"data":{"content":"**Strategic Partitioning Patterns:**"},"type":"text"},{"data":{"items":["**Time-series by entity:** PARTITION BY customer_id ORDER BY transaction_date — Compare customer's current purchase to their previous purchase","**Geographic rollups:** PARTITION BY state ORDER BY date — Track trends within each state independently","**Hierarchical analysis:** PARTITION BY department, team ORDER BY hire_date — Compare employee tenure within organizational units","**Periodic comparison:** PARTITION BY day_of_week ORDER BY date — Compare each Monday to the previous Monday","**Category comparison:** PARTITION BY product_category ORDER BY revenue DESC — Rank products within their category and compare to next-ranked"],"title":{"icon":"Target","text":"Common Partitioning Strategies","type":"icon","color":"primary","variant":"outline-circle"},"variant":"accent"},"type":"list"},{"data":{"icon":"Lightbulb","title":"Partition Cardinality Matters","content":"High-cardinality partitions (many small groups) are generally more efficient than low-cardinality partitions (few large groups). With billions of rows partitioned by customer_id (millions of customers), each partition is small and fast to process. Be cautious with partitions that create very uneven group sizes.","variant":"tip"},"type":"callout"}],"titleType":"number","titleNumber":4},{"id":"real-world-use-cases","title":"Real-World Use Cases","content":[{"data":{"content":"LAG and LEAD unlock a rich set of analytical patterns that would otherwise require complex self-joins or procedural code. Let's explore the most important real-world applications."},"type":"text"},{"data":{"tabs":[{"id":"change-detection","label":"Change Detection","content":[{"data":{"content":"**Calculating Changes Over Time:**\n\nThe most common use case is detecting and quantifying changes between consecutive records."},"type":"text"},{"data":{"code":"$74","fileName":"change_detection.sql","languages":[{"label":"SQL","value":"sql"}]},"type":"code"}],"titleIcon":"Zap"},{"id":"trend-analysis","label":"Trend Analysis","content":[{"data":{"content":"**Identifying Trends and Patterns:**\n\nLAG and LEAD enable sophisticated trend detection by comparing values across multiple periods."},"type":"text"},{"data":{"code":"$75","fileName":"trend_analysis.sql","languages":[{"label":"SQL","value":"sql"}]},"type":"code"}],"titleIcon":"Target"},{"id":"gap-analysis","label":"Gap Analysis","content":[{"data":{"content":"**Finding Gaps in Sequences:**\n\nLAG and LEAD are perfect for identifying missing entries or unusual intervals in sequential data."},"type":"text"},{"data":{"code":"$76","fileName":"gap_analysis.sql","languages":[{"label":"SQL","value":"sql"}]},"type":"code"}],"titleIcon":"AlertCircle"},{"id":"session-analysis","label":"Session Analysis","content":[{"data":{"content":"**User Session and Journey Analysis:**\n\nWeb analytics and user behavior analysis frequently use LAG to sessionize event streams and track user journeys."},"type":"text"},{"data":{"code":"$77","fileName":"session_analysis.sql","languages":[{"label":"SQL","value":"sql"}]},"type":"code"}],"titleIcon":"Sparkles"}]},"type":"tabs"},{"data":{"icon":"Info","title":"Combining Use Cases","content":"These patterns often combine. Session analysis might include gap detection (to define session boundaries), change detection (to track state changes within sessions), and trend analysis (to identify behavioral patterns). LAG and LEAD are foundational building blocks for complex analytical logic.","variant":"note"},"type":"callout"}],"titleType":"number","titleNumber":5},{"id":"performance-considerations","title":"Performance Considerations","content":[{"data":{"content":"LAG and LEAD are computationally efficient compared to self-join alternatives, but understanding their performance characteristics helps you use them optimally in production systems."},"type":"text"},{"data":{"content":"**Execution Model:**\n\nInternally, LAG and LEAD operate using a **single-pass algorithm** with buffering. The database:\n\n1. Sorts (or uses existing index order for) the partition data\n2. Maintains a buffer of recent rows (for LAG) or reads ahead (for LEAD)\n3. Processes each row once, looking up values from the buffer\n\nThis is fundamentally more efficient than a self-join, which might require nested loops or hash matching:\n\n**Self-Join:** O(n²) in worst case, O(n log n) with proper indexing\n**LAG/LEAD:** O(n log n) for sorting + O(n) for scan = O(n log n) overall"},"type":"text"},{"data":{"rows":[["Complexity","O(n log n)","O(n log n) to O(n²)"],["Table Scans","1 scan + sort","2+ scans + join"],["Index Usage","Benefits from order-matching index","Requires join-key index"],["Memory","Buffer for offset rows","Full join hash/sort"],["Parallelization","Partition-level parallel","More limited parallel options"]],"caption":"Performance: LAG/LEAD vs Self-Join","headers":["Aspect","LAG/LEAD","Self-Join Equivalent"]},"type":"table"},{"data":{"code":"-- Inefficient: Self-join approach to get previous value\nSELECT \n t1.date,\n t1.revenue,\n t2.revenue AS prev_revenue\nFROM daily_sales t1\nLEFT JOIN daily_sales t2 \n ON t2.date = t1.date - INTERVAL '1 day';\n-- Requires joining every row; O(n²) without index\n\n-- Efficient: LAG approach\nSELECT \n date,\n revenue,\n LAG(revenue) OVER (ORDER BY date) AS prev_revenue\nFROM daily_sales;\n-- Single pass with sort; O(n log n)\n\n-- Even worse: Correlated subquery approach\nSELECT \n date,\n revenue,\n (SELECT revenue FROM daily_sales t2 \n WHERE t2.date = (SELECT MAX(date) FROM daily_sales t3 WHERE t3.date < t1.date)) AS prev_revenue\nFROM daily_sales t1;\n-- Multiple subqueries per row; extremely slow","fileName":"performance_comparison.sql","languages":[{"label":"SQL","value":"sql"}]},"type":"code"},{"data":{"items":["**Create indexes matching window ORDER BY:** An index on (partition_columns, order_column) eliminates sorting overhead. For `PARTITION BY customer_id ORDER BY order_date`, create an index on `(customer_id, order_date)`.","**Minimize window function calls:** Multiple LAG calls with the same window can often be consolidated. Use a CTE to compute once and reference multiple times.","**Filter before windowing:** Apply WHERE clauses before computing window functions to reduce the window function's input size.","**Be cautious with large offsets:** While LAG(value, 365) is logically valid, it requires buffering 365 rows per partition. Consider alternative approaches for very large offsets.","**Partition for parallelism:** Partitioned window functions can process each partition in parallel. Ensure partitioning aligns with your parallel execution capabilities."],"title":{"icon":"Zap","text":"Performance Optimization Strategies","type":"icon","color":"primary","variant":"outline-circle"},"variant":"accent"},"type":"list"},{"data":{"code":"-- Optimization: Index recommendation\nCREATE INDEX idx_sales_date ON daily_sales(date);\n-- Or for partitioned queries:\nCREATE INDEX idx_sales_product_date ON daily_sales(product, date);\n\n-- Optimization: Consolidate multiple window calculations\n-- Instead of computing the same window multiple times:\nSELECT \n date,\n revenue,\n LAG(revenue, 1) OVER w AS prev_1,\n LAG(revenue, 7) OVER w AS prev_7,\n LAG(revenue, 30) OVER w AS prev_30,\n LEAD(revenue, 1) OVER w AS next_1\nFROM daily_sales\nWINDOW w AS (ORDER BY date); -- Define window once, reuse\n\n-- Optimization: Filter early\n-- Less efficient: windowing then filtering\nSELECT * FROM (\n SELECT date, revenue, LAG(revenue) OVER (ORDER BY date) AS prev\n FROM daily_sales\n) t\nWHERE date >= '2024-01-01';\n\n-- More efficient: filtering then windowing\nWITH filtered AS (\n SELECT date, revenue\n FROM daily_sales\n WHERE date >= '2024-01-01'\n)\nSELECT date, revenue, LAG(revenue) OVER (ORDER BY date) AS prev\nFROM filtered;","fileName":"optimization_examples.sql","languages":[{"label":"SQL","value":"sql"}]},"type":"code"},{"data":{"icon":"AlertCircle","title":"Sorting Cost","content":"If your data isn't already sorted (no matching index), the database must perform a full sort—O(n log n). For very large tables, this sort can dominate execution time and require significant temporary storage. Always check EXPLAIN plans for 'Sort' operations and consider indexes.","variant":"warning"},"type":"callout"}],"titleType":"number","titleNumber":6},{"id":"advanced-patterns","title":"Advanced Patterns and Edge Cases","content":[{"data":{"content":"Beyond basic usage, LAG and LEAD enable sophisticated analytical patterns. Let's explore advanced techniques and handle edge cases that arise in production environments."},"type":"text"},{"data":{"code":"$78","fileName":"advanced_patterns.sql","languages":[{"label":"SQL","value":"sql"}]},"type":"code"},{"data":{"content":"**Handling NULL Values in Source Data:**\n\nNULL values in your data require careful handling. LAG will return a NULL if the previous row's value is NULL—this is different from LAG returning NULL because there's no previous row."},"type":"text"},{"data":{"code":"$79","fileName":"null_handling_advanced.sql","languages":[{"label":"SQL","value":"sql"}]},"type":"code"},{"data":{"icon":"Lightbulb","title":"Database-Specific Features","content":"Some databases offer IGNORE NULLS with LAG/LEAD, which skips NULL values when looking for the previous/next value. Oracle has long supported this; PostgreSQL added it in version 14. Check your database documentation for availability—it simplifies many NULL-handling patterns significantly.","variant":"tip"},"type":"callout"},{"data":{"code":"-- Edge Case: Empty partitions\n-- When a partition has only one row, LAG and LEAD both return NULL\nSELECT \n customer_id,\n order_date,\n revenue,\n LAG(revenue) OVER (PARTITION BY customer_id ORDER BY order_date) AS prev,\n LEAD(revenue) OVER (PARTITION BY customer_id ORDER BY order_date) AS next\nFROM orders;\n-- Single-order customers have NULL for both prev and next\n\n-- Edge Case: Ties in ORDER BY\n-- When order is not unique, behavior is nondeterministic\n-- Always add a tiebreaker column\nSELECT \n date,\n transaction_id, -- tiebreaker\n amount,\n LAG(amount) OVER (ORDER BY date, transaction_id) AS prev_amount -- deterministic\nFROM transactions;\n\n-- Edge Case: Offset larger than partition size\nSELECT \n date,\n revenue,\n LAG(revenue, 100) OVER (ORDER BY date) AS prev_100, -- likely NULL for most rows\n LAG(revenue, 100, -1) OVER (ORDER BY date) AS prev_100_with_default -- returns -1 instead\nFROM daily_sales; -- assuming less than 100 rows","fileName":"edge_cases.sql","languages":[{"label":"SQL","value":"sql"}]},"type":"code"}],"titleType":"number","titleNumber":7},{"id":"summary-key-takeaways","title":"Summary: LAG and LEAD","content":[{"data":{"content":"LAG and LEAD are foundational analytic functions that transform how you approach row-to-row analysis. Let's consolidate the key concepts from this comprehensive exploration."},"type":"text"},{"data":{"type":"ordered","items":["**LAG looks backward, LEAD looks forward:** LAG accesses values from previous rows; LEAD accesses values from subsequent rows in an ordered sequence.","**Offset controls distance:** Default offset is 1 (immediate predecessor/successor); larger offsets look further into the sequence.","**Default values handle boundaries:** When offset exceeds partition bounds, default value (NULL if unspecified) is returned.","**PARTITION BY creates independent groups:** LAG/LEAD operate separately within each partition; boundaries reset at partition changes.","**ORDER BY is essential:** Without ordering, 'previous' and 'next' are undefined; always specify ORDER BY for deterministic results.","**Far more efficient than self-joins:** Single-pass algorithm with buffering vs. potentially quadratic join operations.","**Enables powerful analytics:** Change detection, trend analysis, gap finding, session analysis, and countless other patterns.","**Watch for NULL complexity:** Distinguish between NULL from offset exceeding bounds vs. NULL in the source data."],"title":{"icon":"CheckCircle","text":"Key Takeaways","type":"icon","color":"primary","variant":"outline-circle"},"variant":"accent"},"type":"list"},{"data":{"content":"**What's Next:**\n\nNow that you've mastered LAG and LEAD, we'll explore **FIRST_VALUE and LAST_VALUE**—functions that access the first or last value within a window frame. While LAG and LEAD use fixed offsets, FIRST_VALUE and LAST_VALUE work with window frame boundaries, enabling different but complementary analytical patterns."},"type":"text"},{"data":{"icon":"CheckCircle","title":"Page Complete","content":"You now possess deep understanding of LAG and LEAD functions—from basic syntax through advanced patterns and performance optimization. These functions eliminate the need for complex self-joins and open up powerful analytical capabilities. Practice applying these patterns to your own data to solidify your mastery.","variant":"success"},"type":"callout"}],"titleType":"number","titleNumber":8}],"isLocked":false},{"id":"seed_04e96f7ad058764002cbda3f1b481c26","title":"FIRST_VALUE and LAST_VALUE","order":1,"content":null,"isLocked":true},{"id":"seed_d71d0cbda8d3010c5a4379ecbb2afdbf","title":"Running Totals","order":2,"content":null,"isLocked":true},{"id":"seed_ef6e351bd1f93e91c4e5bb2fdc2545fa","title":"Moving Averages","order":3,"content":null,"isLocked":true},{"id":"seed_972b564c2f91a6b32965ed8ef57718cc","title":"Cumulative Functions","order":4,"content":null,"isLocked":true}]}},"dataUpdateCount":1,"dataUpdatedAt":1792301077369,"error":null,"errorUpdateCount":0,"errorUpdatedAt":0,"fetchFailureCount":0,"fetchFailureReason":null,"fetchMeta":null,"isInvalidated":false,"status":"success","fetchStatus":"idle"},"queryKey":[["learningContent","getModule"],{"input":{"slug":"analytic-functions"},"type":"query"}],"queryHash":"[[\"learningContent\",\"getModule\"],{\"input\":{\"slug\":\"analytic-functions\"},\"type\":\"query\"}]"},{"dehydratedAt":1792301077450,"state":{"data":{"json":null},"dataUpdateCount":1,"dataUpdatedAt":1792301077370,"error":null,"errorUpdateCount":0,"errorUpdatedAt":0,"fetchFailureCount":0,"fetchFailureReason":null,"fetchMeta":null,"isInvalidated":false,"status":"success","fetchStatus":"idle"},"queryKey":[["learningContent","getProgress"],{"input":{"moduleId":"seed_d180a55b3e008e5be4917ef5003c1198"},"type":"query"}],"queryHash":"[[\"learningContent\",\"getProgress\"],{\"input\":{\"moduleId\":\"seed_d180a55b3e008e5be4917ef5003c1198\"},\"type\":\"query\"}]"},{"dehydratedAt":1792301077450,"state":{"data":{"json":null},"dataUpdateCount":1,"dataUpdatedAt":1792301077370,"error":null,"errorUpdateCount":0,"errorUpdatedAt":0,"fetchFailureCount":0,"fetchFailureReason":null,"fetchMeta":null,"isInvalidated":false,"status":"success","fetchStatus":"idle"},"queryKey":[["feedback","get"],{"input":{"contentType":"LEARNING_PAGE","contentId":"seed_d71d0cbda8d3010c5a4379ecbb2afdbf"},"type":"query"}],"queryHash":"[[\"feedback\",\"get\"],{\"input\":{\"contentId\":\"seed_d71d0cbda8d3010c5a4379ecbb2afdbf\",\"contentType\":\"LEARNING_PAGE\"},\"type\":\"query\"}]"},{"dehydratedAt":1792301077450,"state":{"data":{"json":null},"dataUpdateCount":1,"dataUpdatedAt":1792301077370,"error":null,"errorUpdateCount":0,"errorUpdatedAt":0,"fetchFailureCount":0,"fetchFailureReason":null,"fetchMeta":null,"isInvalidated":false,"status":"success","fetchStatus":"idle"},"queryKey":[["feedback","getUserLike"],{"input":{"contentType":"LEARNING_PAGE","contentId":"seed_d71d0cbda8d3010c5a4379ecbb2afdbf"},"type":"query"}],"queryHash":"[[\"feedback\",\"getUserLike\"],{\"input\":{\"contentId\":\"seed_d71d0cbda8d3010c5a4379ecbb2afdbf\",\"contentType\":\"LEARNING_PAGE\"},\"type\":\"query\"}]"},{"dehydratedAt":1792301077450,"state":{"data":{"json":[]},"dataUpdateCount":1,"dataUpdatedAt":1792301077370,"error":null,"errorUpdateCount":0,"errorUpdatedAt":0,"fetchFailureCount":0,"fetchFailureReason":null,"fetchMeta":null,"isInvalidated":false,"status":"success","fetchStatus":"idle"},"queryKey":[["highlights","getHighlights"],{"input":{"contentType":"LEARNING_PAGE","contentId":"seed_d71d0cbda8d3010c5a4379ecbb2afdbf"},"type":"query"}],"queryHash":"[[\"highlights\",\"getHighlights\"],{\"input\":{\"contentId\":\"seed_d71d0cbda8d3010c5a4379ecbb2afdbf\",\"contentType\":\"LEARNING_PAGE\"},\"type\":\"query\"}]"},{"dehydratedAt":1792301077450,"state":{"data":"$undefined","dataUpdateCount":0,"dataUpdatedAt":0,"error":null,"errorUpdateCount":0,"errorUpdatedAt":0,"fetchFailureCount":0,"fetchFailureReason":null,"fetchMeta":null,"isInvalidated":false,"status":"pending","fetchStatus":"fetching"},"queryKey":[["highlights","getPopularHighlights"],{"input":{"contentType":"LEARNING_PAGE","contentId":"seed_d71d0cbda8d3010c5a4379ecbb2afdbf","minCount":2},"type":"query"}],"queryHash":"[[\"highlights\",\"getPopularHighlights\"],{\"input\":{\"contentId\":\"seed_d71d0cbda8d3010c5a4379ecbb2afdbf\",\"contentType\":\"LEARNING_PAGE\",\"minCount\":2},\"type\":\"query\"}]","promise":"$@7a"}]},"children":"$L7b"}]