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【第43题】OCP认证1Z0-071最新考试题库及答案

来源：优技培训时间：

071考试不仅是OCP11g的考试科目，同时也是OCP 12c的考试科目，所以关心071考题的同学有很多，对此我们专门收集整理了近期071考试的原题，并对这些考题进行讲解，希望帮助广大考生顺利通过071考试。

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071考题解析-第43题、choose the best answer:

Which statement is true about the Oracle SQL, DELETE and TRUNCATE statements?

A) DELETE but not TRUNCATE statement can be used to remove data from selective columns and rows of a table.

B) DELETE and TRUNCATE statements can have a rollback done to restore data into a table.

C) DELETE and TRUNCATE statements remove all indexes for the tables on which they are performed.

D) DELETE but not TRUNCATE statement can be used to selectively remove rows from a table.

Answer：D

(解析：Truncate 是删除整张表的数据，delete 不能删除某个列的数据，删除的是行的数据)

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