Feature migra alembic django
Migration files required for DB changes during dev? No, autosyncs Yes, required Yes, required
Requires schema version number tracking No version numbers involved Yes, relies on version numbers Yes, relies on version numbers
Must store entire chain of migration files? No, only need one file with pending changes Yes, required Yes, required
ORMs supported Supports any ORM or no ORM SQLAlchemy ORM only Django ORM only
Testability Explicitly tests for matching schema Doesn't test Doesn't test
Needs copy of access to (copy of) current schema to generate migration scripts Yes No No
Databases supported PostgreSQL only Postgres, mysql, various others Postgres, mysql, various others
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