fowler-database-parallel-change
Invoke when altering a live production database schema (add, rename, or drop columns or tables) without downtime. Applies the expand-contract (parallel change) lifecycle: expand, dual-write, backfill, migrate readers, stabilize, contract, instead of in-place renames.
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Files
- skills/fowler-database-parallel-change/SKILL.md
- skills/fowler-database-parallel-change/test-prompts.json
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