sql triggers...

by barkkathulla 2012-09-22 12:11:45

TRIGGER

A TRIGGER IS A SPECIAL TYPE OF STORED PROCEDURE THAT EXECUTES OR FIRES AUTOMATICALLY WHEN AN INSERT UPDATE OR DELETE STATEMENT IS EXECUTED ON A TABLE.UNLIKE A STORED PROCEDURE WE CANâT INVOKE A TRIGGER DIRECTLY WE CANâT PASS PARAMETERS TO A TRIGGER AND TRIGGER CANâT PASS BACK A RETURN VALUE.
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