Pathways
Not sure where to start? Start here.
Each track puts the library in an order. Click step one and keep going. Visited steps get a checkmark on this device.
2 weeks3 modules12 steps
PostgreSQL Foundations
Developers moving from app-level SQL to database engineering fundamentals.
Start hereMVCC internals: how rows are versionedFreeSee the full 3-module plan3 weeks3 modules12 steps
Performance and Planning
Mid-level engineers responsible for slow query diagnosis and tuning.
Start hereReading EXPLAIN: how the planner describes a queryFreeSee the full 3-module plan6-8 weeks10 modules84 steps
PostgreSQL Deep Internals
Engineers preparing for engine-level PostgreSQL interviews and self-driven source study, storage, planner, WAL, replication, and how to reason from the official manual plus postgres/postgres source.
Start hereLessons: the engine course (mechanism end-to-end)See the full 10-module plan