Answers for "#1451 Cannot delete or update a parent row: a foreign key constraint fails (`group5`.`BILLING`, CONSTRAINT `BILLING_ibfk_1` FOREIGN KEY (`Patient_ID`) REFERENCES `PATIENT` (`Patient_ID`))"

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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

ERROR 1451: 1451: Cannot delete or update a parent row: a foreign key constraint fails

SET FOREIGN_KEY_CHECKS=0; -- to disable them
SET FOREIGN_KEY_CHECKS=1; -- to re-enable them

Posted by: Guest on September-20-2021

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