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Oracle 11G OCP 1Z0-053 328

原创 Oracle 作者:LuiseDalian 时间:2014-09-23 17:29:10 0 删除 编辑
(328)You have backed up your database using image copies.

You have lost the SYSTEM tablespace and need to restart your database as quickly as possible.

What is the correct solution?

A. Restore the SYSTEM tablespace from the last backup set and then recover the database.

B. Restore the SYSTEM tablespace image copy using the restore command and then restore the database.

C. Use the switch datafile command to instantly switch to the datafile copy, recover the tablespace, and open the database.

D. The database is not recoverable in this situation with image copies.

E. Manually copy the datafile image copy to the correct location and then manually restore the database from SQL*Plus.


答案:(C)

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