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043-085

原创 Linux操作系统 作者:jbymy2000 时间:2012-03-07 20:08:12 0 删除 编辑
85. A data file become corrupted in your database due to bad sectors
on the disk. Because of corruption, you lost all the important tables
in that data file. Which method would you use for recovery?
A. Flash back all the tables in the data file, one by one.
B. Restore the data file to a new location and perform. a media recove
ry.
C.Flash back the database, there is no need to restore the data file
D. Restore the data file from the most recent backup and flash the da
tabase.
Answer: B
因为磁盘坏道,数据文件损坏,导致许多重要的表丢失,你可以先restore
数据文件到一个新的磁盘位置,然后再recovery
Flashback Database 不能解决Media Failure,这种错误RMAN 恢复仍是唯一选择

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