MySQL Triggers Tutorial
On an INSERT, you can only use NEW for column values. On a DELETE, you must use OLD.
other ref:
http://www.roseindia.net/mysql/mysql5/triggers.shtml
http://www.rustyrazorblade.com/index.php/2006/09/14/mysql-triggers-tutorial/
http://www.digitalpropulsion.org/Programming/Triggers_in_MySQL_5_0
http://dinh.wordpress.com/2006/02/16/mysql-trigger-examples/
On an INSERT, you can only use NEW for column values. On a DELETE, you must use OLD.
other ref:
http://www.roseindia.net/mysql/mysql5/triggers.shtml
http://www.rustyrazorblade.com/index.php/2006/09/14/mysql-triggers-tutorial/
http://www.digitalpropulsion.org/Programming/Triggers_in_MySQL_5_0
http://dinh.wordpress.com/2006/02/16/mysql-trigger-examples/
文章標籤
全站熱搜
System (3)