PostgreSQL Cheat Sheets & Quick Reference Guides
PostgreSQL is one of the most powerful and trusted relational databases in production — used by startups and enterprises for everything from transactional workloads to analytics and JSON-heavy applications.
This PostgreSQL cheat sheet collection focuses on real-world SQL patterns, performance tuning, and features you actually use in production.
What You’ll Find in These PostgreSQL Cheat Sheets
- Joins, aggregations, and window functions
- Indexing strategy (B-Tree, GIN, GiST)
- Query planning and performance tuning
- Common Postgres functions and operators
- JSONB queries and indexing
- Transactions, locks, and isolation levels
- Upserts, CTEs, and advanced SQL patterns
- Common operational commands (backup, restore)
Each sheet is designed to help you write faster queries and operate Postgres confidently.
Why Use a PostgreSQL Cheat Sheet?
Postgres is deep — and performance issues can be expensive. A structured reference helps you:
- Optimize queries quickly
- Choose the right indexes
- Avoid common locking pitfalls
- Use advanced features correctly
- Ship more reliable systems
Explore the PostgreSQL Sheets Below
Browse the PostgreSQL cheat sheets below to find the exact pattern you need.