单项选择题
Your production database is running in archivelog mode and you are using recovery manager （RMAN） with recovery catalog to perform the database backup at regular intervals. When you attempt to restart the database instance after a regular maintenance task on Sunday， the database fails to open displaying the message that the data file belonging to the users tablespace are corrupted.
The steps to recover the damaged data files are follows：
1. Mount the database
2. Open the database
3. Recover the data file
4. Restore the data file
5. Make the data file offline
6. Make the data file online
Which option identifies the correct sequence that you must use to recover the data files？（）
A. 2，4，3
B. 1，4，3，2
C. 2，5，4，3，6
D. 5，2，4，3，6
E. 1，5，4，3，6，2
相关考题
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多项选择题
You executed the following command to drop a user： DROP USER scott CASCADE； Which two statements regarding the above command are correct？（）
A. All the objects of scott are moved to the Recycle Bin.
B. Any objects in the Recycle Bin belonging to scott are purged.
C. All the objects owned by scott are permanently dropped from the database.
D. All the objects of scott in the Recycle Bin must be purged before executing the DROP command.
E. Any objects in the Recycle Bin belonging to scott will not be affected by the above DROP command. -
多项选择题
WhichthreeactionsarerequiredtoconfiguretheFlashbackDatabase？（）
A. set Flash Recovery Area
B. enable Flashback logging
C. create FLASHBACK tablespace
D. start the database in the ARCHIVELOG mode
E. start the database in the NOARCHIVELOG mode -
多项选择题
Identifythethreepredefinedserver-generatedalerts.（）
A. Drop User
B. Tablespace Space Usage
C. Resumable Session Suspended
D. Recovery Area Low On Free Space
E. SYSTEM Tablespace Size Increment
