SQLAlchemy and Alembic 2 · Updating and raw SQL
Delete a row
Delete an object and commit.
session.delete(session.get(Post, 1))
session.commit()
Caution: Deletes are permanent after commit. Back up first if unsure.
Official SQLAlchemy and Alembic 2 documentation
More updating and raw sql commands
All updating and raw sql commands · SQLAlchemy and Alembic 2 cheatsheet