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What are triggering attributes?Triggers can be fired based on the following criteria:
Category - (INSERT, DELETE, UPDATE) i.e. which kind of DML statement causes the trigger to fire.
Timing - (BEFORE or AFTER) i.e. whether the trigger fires before the statement is executed of after.
Level - (Row or Statement) i.e. whether it fires once for each row affected by trigger statement or whether it fires once.
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