試題詳解

QUESTION 17 Which four triggering events can cause a trigger to fire? (Choose four) short 1. A specific error or any errors occurs. 2. A database is shut down or started up. 3. A specific user or any user logs on or off. 4. A user executes a CREATE or an ALTER table statement. 5. A user executes a SELECT statement with an ORDER BY clause. 6. A user executes a JOIN statement that uses four or more tables.
(A)1234
(B)2345
(C)1245
(D)3456