問題詳情

QUESTION 25You need to remove the database triggerBUSINESS_HOUR. Which command do you use to remove the trigger in the SQL *Plus environment? short
(A)DROP TRIGGER business_hour;
(B)DELETE TRIGGER business_hour;
(C)REMOVE TRIGGER business_hour;
(D)ALTER TRIGGER business_hour REMOVE;
(E)DELETE FROM USER_TRIGGERSWHERE TRIGGER_NAME = 'BUSINESS_HOUR';

參考答案

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