問題詳情

QUESTION 60Under which two circumstances do you design database triggers? (Choose two)to for
(A)To duplicate the functionality of other triggers.
(B)To replicate built-in constraints in the Oracle server such as primary key and foreign key.
(C)To guarantee that when a specific operation is performed, related actions are performed.
(D)For centralized, global operations that should be fired for the triggering statement, regardless of which user or application issues the statement.

參考答案

答案:C,D
難度:非常困難0
統計:A(1),B(0),C(0),D(0),E(0)