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單項(xiàng)選擇題

You have a master-detail relationship in the EMPLOYEE form module. You set the Delete Record Behavior property to Cascading. When a user deletes a master record, how does Forms implement the cascade-delete foreign-key rule? ()

A.With a Pre-Delete trigger. 
B.With an On-Delete trigger. 
C.With a Post-Delete trigger. 
D.With the On-Check-Delete-Master trigger.

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