Flask-SQLAlchemy check if table exists in database. I see similar problems, but I try not to succeed. Flask-SQLAlchemy check if row exists in table I have create a table object ,like this: <class'flask_sqlalchemy.XXX'>, now how to check the object if exists in database. I do many try: eg: for t in db.metadata.sorted_tables: print("tablename",t.name) some table object is created before,but it doesnt exists in database,and now they. all print. egrint content is tablename: table_1 tablename: table_2 tablename: table_3 but only table_1 is exist datable,table_2 and table_3 is dynamica create,now I only want use the table_1. very thanks. Continue reading...