Python migrate command Otherwise if the database already exists, migrate updates the existing table definitions to match the model definitions -- i. call_command() function at runtime. run python manage. While this isn’t recommended, the migrations framework is sometimes too slow on large projects with hundreds of models. py migrate" to do both commands within the docker container. The database operations are made available through the Flask command-line interface. Python manage. Create the migration. For example: $ python manage. If your database doesn't exist yet, migrate creates all the necessary tables to match your model definitions. aeoogvnwavvqetyqzoeptxuhtjnlhmwgvqrgsvearmtkqlibkgdjgwjihxlypoaewpeohvct