January 03, 2014  |   Posted by :   |     |   Comments Off on Trigger»


Definition: A trigger is a SQL procedure that initiates an action when change (INSERT, DELETE or UPDATE) occurs. Each trigger is attached to a single, specified table in the database. A trigger cannot be called or executed but fires automatically as a result of a data modification to the associated table.

A trigger can be used in any edition and is therefore the preferred method to use for the audit trail.


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