Answers for "sql #1451 - cannot delete or update a parent row: a foreign key constraint fails"

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

sqlstate[23000]: integrity constraint violation: 1451 cannot delete or update a parent row:

Schema::disableForeignKeyConstraints();
Schema::dropIfExists('tablename');
Schema::enableForeignKeyConstraints();

Posted by: Guest on November-10-2021

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