1Z0-052 · Question #100
User SCOTT executes the following command on the EMP table but has not issued COMMIT, ROLLBACK, or any data definition language (DDL) command: SQL> SELECT ename FROM emp 2 WHERE job='CLERK' FOR UPDATE
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Question
User SCOTT executes the following command on the EMP table but has not issued COMMIT, ROLLBACK, or any data definition language (DDL) command:
SQL> SELECT ename FROM emp 2 WHERE job='CLERK' FOR UPDATE OF empno; SCOTT has opened another session to work with the database instance. Which three operations would wait when issued in SCOTT's second session? (Choose three.)
Options
- ALOCK TABLE emp IN SHARE MODE;
- BLOCK TABLE emp IN EXCLUSIVE MODE;
- CUPDATE emp SET sal=sal*1.2 WHERE job='MANAGER'
- DINSERT INTO emp(empno,ename) VALUES (1289,'Harry');
- ESELECT ename FROM emp WHERE job='CLERK' FOR UPDATE OF empno;
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