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Oracle 11G OCP 1Z0-052 166

原创 Oracle 作者:LuiseDalian 时间:2014-07-24 06:57:38 0 删除 编辑
(166)View the Exhibit and examine the setting for a table.


Which statement is true about the PCTFREE setting for the table?

A. It sets the minimum percentage of a data block to be reserved to contain chained rows from other blocks.

B. It sets the minimum percentage of a data block to be reserved as free space before the server prevents inserts into the block.

C. It sets the minimum percentage of a data block to be reserved to contain the bitmap used to maintain the free block information.

D. It sets the minimum percentage of a block that can be used for row data plus overhead before new rows are added to the block.

答案:(B)

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