單項(xiàng)選擇題

Which of the following represents the correct way to perform an online recovery of datafile 4， which is assigned to a tablespace called USERS？（）

A. shutdown restore datafile 4； recover datafile 4； alter database open；
B. Sql alter database datafile 4 offline； restore datafile 4； recover datafile 4； alter database open；
C. Sql alter database datafile 4 offline； restore datafile 4； Sql alter database datafile 4 online；
D. Sql alter database datafile 4 offline； restore database datafile 4； recover database datafile 4；Sql alter database datafile 4 online；
E. Sql alter database datafile 4 offline； restore datafile 4； recover datafile 4； Sql alter database datafile 4 online；

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單項(xiàng)選擇題

What will be the end result of this set of RMAN commands？（）
shutdown abort startup mount
restore datafile 4 until time ，，09/30/2008：15：00：00；
recover datafile 4 until time ，，09/29/2008：15：00：00；
alter database open resetlogs；

A. Datafile 4 will be recovered until 9/30/2008 at 15：00 and the database will open.
B. The restore command will fail.
C. The recover command will fail.
D. The alter database open resetlogs command will fail.
E. All these commands will fail because they must be in the confines of a run block.

單項(xiàng)選擇題

If you find errors in the view V$DATABASE_BLOCK_CORRUPTION with a status of MEDIA_CORRUPT， what RMAN command would you run to correct the problem？（）

A. recover lost blocks
B. recover corrupt blocks
C. recover media corrupt blocks from list
D. recover corrupt blocks from list
E. recover corruption list

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Which of the following represents the correct way to perform an online recovery of datafile 4， which is assigned to a tablespace called USERS？（）

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What will be the end result of this set of RMAN commands？（） shutdown abort startup mount restore datafile 4 until time ，，09/30/2008：15：00：00； recover datafile 4 until time ，，09/29/2008：15：00：00； alter database open resetlogs；

If you find errors in the view V$DATABASE_BLOCK_CORRUPTION with a status of MEDIA_CORRUPT， what RMAN command would you run to correct the problem？（）

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Which of the following represents the correct way to perform an online recovery of datafile 4， which is assigned to a tablespace called USERS？（）

What will be the end result of this set of RMAN commands？（）
shutdown abort startup mount
restore datafile 4 until time ，，09/30/2008：15：00：00；
recover datafile 4 until time ，，09/29/2008：15：00：00；
alter database open resetlogs；

If you find errors in the view V$DATABASE_BLOCK_CORRUPTION with a status of MEDIA_CORRUPT， what RMAN command would you run to correct the problem？（）