Database Migrations

Overview

Versioned, reviewable database schema changes. Applied automatically during deployment.

Why It Matters

Schema changes are code. Reviewed, tested, reversible. No manual SQL in prod.

Implementation Pattern

1. 1Use migration framework
2. 2Review migrations in PRs
3. 3Test migrations in staging
4. 4Apply automatically on deploy

Tool Examples

These are examples, not endorsements. Choose what fits your context.