sql
Software Engineering·Jul 21, 2026·4 min read
Data Modeling and Schema Design
How to design a database schema that makes features easy to add — entities, relationships, keys, normalization, and common patterns.
Software Engineering·Jul 21, 2026·3 min read
Database Fundamentals
A database stores and organises your app's data. This guide explains SQL vs NoSQL, when to use each, core concepts like indexes and transactions, and how to get started.
Software Engineering·Jul 21, 2026·4 min read
Database Scaling and Performance
How to make a slow database fast — indexes, query fixes, connection pooling, caching — and when you actually need to scale to multiple machines.