OCP考试题库变了，052新考试题及答案整理-32

Posted 2020-12-27

32、 Examine these commands and their output:

? SQL> SELECT * FROM emp;

? ENO ENAME

? ---- -----

? 100 Adam

? 101 Alan

? SQL> INSERT INTO emp VALUES(102,‘Ben");

? 1 row created.

? SQL> COMMIT;

? Commit completed.

? SQL> UPDATE emp SET ename=‘Bryan‘ WHERE eno=102;

? 1 row updated.

? A power failure occurs. The Instance Is restarted and this query Is executed.

? SQL> SELECT ename FROM emp;

? What Is the outcome?

A) Only Adam and Alan are displayed.

B) Only Adam, Alan, and Bryan are displayed.

C) Adam, Alan, Ben, and Bryan are displayed.

D) No rows are returned.

E) Only Adam, Alan, and Ben are displayed.

Answer:E