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【2019年8月版】OCP 071认证考试原题-第43题

时间:2019-12-18 14:46:24      阅读:132      评论:0      收藏:0      [点我收藏+]

标签:moved   com   ace   dex   back   str   comm   trunc   his   

Choose two.

You execute this command:

TRUNCATE TABLE depts;

Which two are true?

A) It drops any triggers defined on the table.

B) It retains the indexes defined on the table.

C) It retains the integrity constraints defined on the table.

D) A ROLLBACR statement can be used to retrieve the deleted data.

E) It always retains the space used by the removed rows.

F) A FLASHBACK TABLE statement can be used to retrieve the deleted data.

Answer::BC

(解析:基本的考点。)

【2019年8月版】OCP 071认证考试原题-第43题

标签:moved   com   ace   dex   back   str   comm   trunc   his   

原文地址:https://www.cnblogs.com/cnblogs5359/p/12059426.html

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