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Oracle 11G OCP 1Z0-052 24

原创 Oracle 作者:LuiseDalian 时间:2014-06-06 07:23:13 0 删除 编辑
(24)Which two statements correctly describe the relation between a data file and the logical database structures? (Choose two.)

A. An extent cannot spread across data files.

B. A segment cannot spread across data files.

C. A data file can belong to only one tablespace.

D. A data file can have only one segment created in it.

E. A data block can spread across multiple data files as it can consist of multiple operating system (OS) blocks.

答案:(A、C)

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