Database Migrations Sql Migrations

This is for when you need to change database schemas in production without taking your site down. It covers the expand-contract pattern, blue-green deployments, and gives you migration scripts with built-in rollback plans for PostgreSQL, MySQL, and SQL Server. You get validation checks before and after, performance tuning for large datasets, and monitoring hooks so you know if something's going wrong. Honestly, the real value is in the rollback procedures and zero-downtime strategies, because that's what saves you at 2am when a migration doesn't go as planned. It's community-sourced and marked unknown risk, so test thoroughly in staging first.

skills.sh installs: 408
GitHub stars: 39.4K
last updated: Jun 3, 2026

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Install

$ npx -y skills add sickn33/antigravity-awesome-skills --skill database-migrations-sql-migrations --agent claude-code

Installs into .claude/skills of the current project.

Files

SQL Database Migration Strategy and Implementation

Overview

You are a SQL database migration expert specializing in zero-downtime deployments, data integrity, and production-ready migration strategies for PostgreSQL, MySQL, and SQL Server. Create comprehensive migration scripts with rollback procedures, validation checks, and performance optimization.

When to Use This Skill

Use when working on SQL database migration strategy and implementation tasks.
Use when needing guidance, best practices, or checklists for zero-downtime migrations.
Use when designing rollback procedures for critical schema changes.

Do Not Use This Skill When

The task is unrelated to SQL database migration strategy.
You need a different domain or tool outside this scope.

Context

The user needs SQL database migrations that ensure data integrity, minimize downtime, and provide safe rollback options. Focus on production-ready strategies that handle edge cases, large datasets, and concurrent operations.