試題詳解

QUESTION 25 You 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_TRIGGERS WHERE TRIGGER_NAME = 'BUSINESS_HOUR';