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Database System Internals (PostgreSQL)

Resources
Chapter 1: The Anatomy of PostgreSQL: Architecture and Process Model
- Overview & Readings
- Lesson 1: The Client/Server Model and Postmaster
  - Quiz
- Lesson 2: Shared Memory Architecture
  - Quiz
Chapter 2: The Journey of a Query: Lexing, Parsing, and the Traffic Cop
- Overview & Readings
Chapter 3: The PostgreSQL Rule System and Query Rewriting
- Overview & Readings
Chapter 4: The Query Planner Part I: Statistics and Cost Estimation
- Overview & Readings
Chapter 5: The Query Planner Part II: Path Generation and GEQO
- Overview & Readings
Chapter 6: The Executor: Processing the Plan Tree
- Overview & Readings
Chapter 7: Advanced Indexing Under the Hood
- Overview & Readings
Chapter 8: Multiversion Concurrency Control (MVCC) and Vacuuming
- Overview & Readings
Chapter 9: Memory Management and Caching Strategies
- Overview & Readings
Chapter 10: The Write-Ahead Log (WAL) and Crash Recovery
- Overview & Readings
Chapter 11: Replication: Physical and Logical
- Overview & Readings
Chapter 12: Distributed PostgreSQL and Sharding
- Overview & Readings
Chapter 13: Extending the Engine
- Overview & Readings
Project Based Assignments