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// database-migrations
Tools for managing database schema changes and migrations.
Database migration tools are specialized libraries or frameworks designed to manage changes to a database's schema over time. As applications evolve, the underlying database structures - such as tables, columns, and indexes - often need to be modified, added, or removed. Manually applying these changes across different environments can be error-prone and cumbersome. Database migration tools automate this process, enabling developers to define changes in code or scripts that can be version-controlled along with the application's source code. In the context of Python, such tools are often integrated with popular frameworks and ORMs like Django, SQLAlchemy, and Flask.
| Tool | Pricing | Rating | |
|---|---|---|---|
AL Alembicfeatured Database Migrations for SQLAlchemy | Free | ★ 4.7 | → |
FL Flyway Database Migration Tool | Free / Paid | ★ 4.6 | → |
DM Django Migrationsfeatured Built-in Django Migration Framework | Free | ★ 4.8 | → |
FM Flask-Migrate Database Migrations for Flask | Free | ★ 4.5 | → |
YM yoyo-migrations Database Schema Migration Tool | Free | ★ 4.3 | → |
SM SQLAlchemy-Migrate Schema Versioning for SQLAlchemy | Free | ★ 4.2 | → |
SO South Legacy Django Migrations | Free | ★ 4.0 | → |
Choosing between the three most popular database migration tools for Python - Alembic, Django Migrations, and Flask-Migrate - depends largely on the specific framework or ORM you're using. Opt for Alembic if you're using SQLAlchemy as your ORM or if you need detailed control over the migration process. Choose Django Migrations if your project is built on the Django framework, as it provides a seamless migration experience with tight integration. If you're working on a Flask application and using SQLAlchemy, Flask-Migrate is an excellent choice as it wraps Alembic with Flask-friendly integration.
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