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OCP-052考题汇总(2)-CUUG内部解答版

Oracle 作者:unix_5359 时间:2019-07-24 14:14:24 0 删除 编辑

  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)No rows are returned.

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

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

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

  Answer: E

  解析:UPDATE 语句没有提交


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2018年,OCP考试题库经过一场大的变动, 2019年,OCP考试题库变动已经开始了,3月份更新了很多新题,不知道以后还会不会有大的更新。 OCP题库解析3:1015267481,新考题交流群

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