Production Database Migration Prompt Pack

Turn schema changes into staged, observable operations with compatibility and rollback built in.

What the resource contains

10 migration prompts

Expand/contract plan

Backfill checks

Rollback decision tree

Selected preview

Compatibility design

Plan both old and new application versions.

Design this migration using expand/contract. Identify every old reader and writer, the compatibility window, backfill strategy, constraint-validation order, and the exact point rollback stops being safe. Avoid table rewrites and long locks; call out engine-specific behavior that must be verified.