databases

4 cheatsheets

beginner Redis 7

Redis 7 Cheatsheet

A quick reference guide for Redis 7, covering core concepts, essential commands, and common patterns for developers.
beginner SQL Standard (ANSI)

SQL Joins Cheatsheet

Master SQL joins to combine data from multiple tables effectively and efficiently.
beginner PostgreSQL 16

PostgreSQL Fundamentals Cheatsheet

Learn core PostgreSQL concepts: installation, basic SQL, indexes, and common patterns for developers.
intermediate PostgreSQL 16

PostgreSQL Essentials Cheatsheet

Master PostgreSQL 16 quickly with this essential cheatsheet covering installation, core concepts, SQL syntax, JSONB, and performance tips.