Showing posts with label Cannot truncate a table referenced in a foreign key constraint mysql. Show all posts
Showing posts with label Cannot truncate a table referenced in a foreign key constraint mysql. Show all posts

Wednesday, 19 August 2015

Truncate table mysql with foreign key


Truncate table mysql with foreign key

You cannot truncate/empty the table which has foreign key constraints applied on it

Use the below query to empty the table with foreign key but at your own risk.

Note : Please take backup of database first.

SET FOREIGN_KEY_CHECKS = 0;
TRUNCATE tablename1;
TRUNCATE tablename2;
SET FOREIGN_KEY_CHECKS = 1;