sqlalchemy_database_uri для mysql
app.config['SQLALCHEMY_DATABASE_URI'] = 'mysql://username:password@localhost/db_name'
Colorful Cockroach
app.config['SQLALCHEMY_DATABASE_URI'] = 'mysql://username:password@localhost/db_name'mysql://scott:tiger@localhost/mydatabase
'mysql://ditxynz:ditxynz@localhost/db_name'