PL/SQL:What is a Trigger? Name some instances when “Triggers” can be used.
As the name indicates, ‘Trigger’ means to ‘activate’ something. In the case of PL/SQL, a trigger is a stored procedure that specifies what action has to be taken by the database when an event related to the database is performed.
Syntax:
TRIGGER trigger_name
trigger_event
[ restrictions ]
BEGIN
actions_of_trigger;
END;
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