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Reviewing Database Migrations

Reviews a schema migration for locks, downtime and irreversibility before it reaches production, and rewrites unsafe steps into an online sequence. Use when reviewing a migration or DDL change, adding a column or index to a large table, renaming or dropping anything, or when a deploy needs zero downtime.

Skill name

reviewing-database-migrations

Category

devops

Price

$5.00 once

Install

~/.claude/skills/reviewing-database-migrations/SKILL.md

Tags

postgres, migrations, schema, zero downtime, sql

Reviewing Database Migrations

A migration is the one change that can take an application down while every health check still passes. The questions below are the ones that decide whether it can run at 3pm on a Tuesday.

The four questions

Unlock the full skill to read the rest.