Answers for "SQL Error [1451] [23000]: Cannot delete or update a parent row: a foreign key constraint fails (`Products`.`comments`, CONSTRAINT `comments_ibfk_1` FOREIGN KEY (`productId`) REFERENCES `products` (`id`))"

error 1451 (23000): cannot delete or update a parent row: a foreign key constraint fails

SET FOREIGN_KEY_CHECKS = 0; -- to disable FK checks (ex: for delete purpose)
SET FOREIGN_KEY_CHECKS = 1; -- to re-enable FK checks

Posted by: Guest on March-21-2021

Code answers related to "SQL Error [1451] [23000]: Cannot delete or update a parent row: a foreign key constraint fails (`Products`.`comments`, CONSTRAINT `comments_ibfk_1` FOREIGN KEY (`productId`) REFERENCES `products` (`id`))"