Database Mastery with SQLAlchemy

Schema Migrations with Alembic

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Why Migrations? The Production Problem

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IN THIS LESSON

YOU’RE LEARNING TO

↗learner can explain why migrations are necessary and what problems they solve

↗learner can initialize Alembic, configure it for SQLAlchemy models, and generate auto-migrations

↗learner can run alembic upgrade head and alembic downgrade -1 safely

↗learner can review and fix common auto-generate mistakes before applying migrations

↗learner can describe the async SQLAlchemy pattern and the differences from sync code