How do I use Alembic for SQLAlchemy migrations?
To use Alembic for SQLAlchemy migrations, first install it using pip. Then, initialize it in your project with alembic init <directory>
.
What are the steps to create a migration script?
You can create a migration script by running alembic revision -m "your_message"
. This generates a new script in the versions directory.
How do I apply the migration to the database?
To apply the migration, use the command alembic upgrade head
. This will apply all pending migrations to your database.
Can I downgrade a migration?
Yes, you can downgrade a migration using alembic downgrade <revision>
, where <revision>
is the identifier of the migration you want to revert.
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