問題詳情

QUESTION 97You need to create a trigger to ensure that information in the EMP table is only modified during business hours, Monday to Friday from 9:00am to 500pm Which types of trigger do you create? (Choose two.)
(A)row level AFTER INSERT OR UPDATE OR DELETE ON EMP
(B)row level BEFORE INSERT OR UPDATE OR DELETE ON EMP
(C)statement level AFTER INSERT OR UPDATE OR DELETE ON EMP
(D)statement level BEFORE INSERT OR UPDATE OR DELETE ON EMP

參考答案

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