Mysql on delete Edit. MySQL fully supports three actions: RESTRICT, CASCADE and SET NULL. MySQL ON DELETE CASCADE example. Just query the INFORMATION_SCHEMA. Improve this answer. But it doesn't work with cascade deleting. MySQL DELETE JOIN is explored in detail in t For an ON DELETE or ON UPDATE that is not specified, the default action is always NO ACTION. This trigger works when I delete records from "A" directly. Covering popular subjects like HTML, CSS, JavaScript, Python, SQL, Java, and many, many more. It contains well written, well thought and well explained computer science and programming articles, quizzes and practice/competitive programming/company interview Questions. vmbrbxhqrvpeggrxypnovaikfdmhkwprnzmnwzwjqlcgkzryeyqehbicgjfhczhottb