Migration Patterns
Write safe database migrations that can be applied to production with zero downtime, tested rollback paths, and separated schema and data changes.
When to Use
- User writes a database migration
- User needs to change schema without downtime
- User asks about safe column additions or removals
- User needs to migrate data between schemas
- User plans rollback strategies for migrations
Core Patterns
Zero-Downtime Column Addition
Add columns as nullable or with de
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