問題詳情

QUESTION 57What is a condition predicate in a DML trigger?
(A)A conditional predicate allows you to specify a WHEN-LOGGING-ON condition in the trigger body.
(B)A conditional predicate means you use the NEW and OLD qualifiers in the trigger body as a condition.
(C)A conditional predicate allows you to combine several DBM triggering events into one in the trigger body.
(D)A conditional predicate allows you to specify a SHUTDOWN or STARTUP condition in the trigger body.

參考答案

答案:C
難度:非常簡單1
統計:A(0),B(0),C(1),D(0),E(0)