問題詳情

QUESTION 19Which statement about triggers is true?short
(A)You use an application trigger to fire when a DELETE statement occurs.
(B)You use a database trigger to fire when an INSERT statement occurs.
(C)You use a system event trigger to fire when an UPDATE statement occurs.
(D)You use INSTEAD OF trigger to fire when a SELECT statement occurs.

參考答案

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