---
id: majesticlabs-dev/majestic-marketplace/alembic-patterns
version: "8ab838e1"
license: NOASSERTION
install: manual
updated: 2026-05-13
---

# Alembic Patterns — Master Alembic migration patterns for evolving SQLAlchemy database schemas safely. This skill covers initialization, auto-generating migrations from model changes, executing manual data transformations, and deploying schema updates without downtime using proven patterns like nullable-first column additions and concurrent indexing.

Publisher: majesticlabs-dev · Stars: 44 · Updated: 2026-05-13

Install (manual): `git clone https://github.com/majesticlabs-dev/majestic-marketplace`

*Unlicensed repository - metadata only, no file contents reproduced.*

[View on SkillFed](https://skillfed.io/majesticlabs-dev/majestic-marketplace/alembic-patterns) · [View on GitHub](https://github.com/majesticlabs-dev/majestic-marketplace)