# Migrations

> Database schema migrations and version control

- Skill: `majiayu000/migrations-2` (Agent Skill, multi-file: 2 files)
- Install (CLI): `npx skillmds add majiayu000/migrations-2`
- Raw SKILL.md: https://api.skillmd.com/api/skills/majiayu000/migrations-2/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Coding & Dev Tools
- Author: majiayu000 (https://skillmd.com/u/majiayu000)
- Updated: 2026-09-09
- Page: https://skillmd.com/skills/majiayu000/migrations-2

---


# Database Migrations Skill

## Overview
Manage database schema changes with version control, migration tools, and safe deployment practices.

## Topics Covered

### Migration Tools
- Flyway
- Liquibase
- Alembic (Python)
- Prisma migrations
- TypeORM migrations

### Migration Patterns
- Incremental changes
- Reversible migrations
- Data migrations
- Zero-downtime migrations
- Blue-green deployments

### Version Control
- Migration versioning
- Baseline management
- Migration history
- Conflict resolution
- Team workflows

### Best Practices
- Small, focused changes
- Testing migrations
- Rollback strategies
- Documentation
- CI/CD integration

## Prerequisites
- SQL fundamentals
- Version control basics

## Learning Outcomes
- Create safe migrations
- Use migration tools
- Deploy without downtime
- Manage schema versions