text: ALTER TABLE `classicmodels`.`orderdetails`
      DROP FOREIGN KEY `orderdetails_ibfk_1`;
  ALTER TABLE `classicmodels`.`orderdetails`
      ADD CONSTRAINT `orderdetails_ibfk_1`
          FOREIGN KEY (`orderNumber`)
              REFERENCES `classicmodels`.`orders` (`orderNumber`)
              ON DELETE CASCADE
              ON UPDATE CASCADE;
  