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原创 Linux操作系统 作者:oracle_mao 时间:2011-12-20 15:03:38 0 删除 编辑


Restriction on Taking Tablespaces Offline You cannot take a temporary tablespace offline.

OFFLINE NORMAL Specify NORMAL to flush all blocks in all data files in the tablespace out of the system global area (SGA). You need not perform. media recovery on this tablespace before bringing it back online. This is the default.

OFFLINE TEMPORARY If you specify TEMPORARY, then Oracle Database performs a checkpoint for all online data files in the tablespace but does not ensure that all files can be written. Files that are offline when you issue this statement may require media recovery before you bring the tablespace back online.

OFFLINE IMMEDIATE If you specify IMMEDIATE, then Oracle Database does not ensure that tablespace files are available and does not perform. a checkpoint. You must perform. media recovery on the tablespace before bringing it back online.

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