試題詳解

複選題
QUESTION 97 You 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