This is because they are not on the same level. If you are using SQL alchemy on a postgres db, you might be using psycopg without knowing it. Psycopg is the l

This is because they are not on the same level. If you are using SQL alchemy on a postgres db, you might be using psycopg without knowing it. Psycopg is the lower level lib that implements the PostgreSQL protocol. See https://docs.sqlalchemy.org/en/20/dialects/postgresql.html#dialect-postgresql https://docs.sqlalchemy.org/en/20/dialects/postgresql.html#d...