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OCP认证052考试最新题库及答案整理-40

原创 Oracle 作者:alice9313 时间:2018-09-10 13:26:50 0 删除 编辑

40、 Which is true about logical and physical database structures?

(Choose the best answer)

A. An undo tablespace has a temp file instead of a data file.

B. A segment can consist of extents of different sizes.

C. A permanent tablespace can only contain tables segments and index segments.

D. A tablespace can consist of data blocks of different sizes.

E. An extent always consists of physically contiguous data blocks in storage.

Correct Answer: B

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