Answers for "#1217 - Cannot delete or update a parent row: a foreign key constraint fails"

SQL
1

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
0

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

ALTER TABLE "appointments" DROP FOREIGN KEY "appointments_user_id_foreign";

ALTER TABLE "appointments" ADD CONSTRAINT "appointments_user_id_foreign" FOREIGN KEY ("user_id") REFERENCES "users" ("id") ON DELETE CASCADE;
Posted by: Guest on March-09-2021

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