User SCOTT executes the following command on the EMP table but has not issued COMMIT, ROLLBACK, orany data definition language (DDL) command: SQL> SELECT ename FROM emp WHERE job=’CLERK’ FOR UPDATE OF empno; SCOTT has opened another session to work with the database instance. Which three operations would waitwhen issued in SCOTT’s second session()
A.
LOCK TABLE emp IN SHARE MODE;
B.
LOCK TABLE emp IN EXCLUSIVE MODE;
C.
UPDATE emp SET sal=sal*1.2 WHERE job=ANAGER?UPDATE emp SET sal=sal*1.2 WHERE job=?ANAGER?
D.
INSERT INTO emp(empno,ename) VALUES (1289,’Harry’);
E.
SELECT ename FROM emp WHERE job=’CLERK’ FOR UPDATE OF empno