单项选择题

You are using Recovery Manager （RMAN） with a recovery c……

You are using Recovery Manager （RMAN） with a recovery catalog to back up your production database. The backups and the archived redo log files are copied to a tape drive on a daily basis. Because of media failure， you lost your production database completely along with the recovery catalog database. You want to recover the target database and make it functional. You consider performing the following steps to accomplish the task：
1） Restore an autobackup of the server parameter file.
2） Restore the control file
3） Start the target database instance
4） Mount the database
5） Restore the data files
6） Open the database with RESETLOGS option
7） Recover the data files
8） Set DBID for the target database
Which option illustrates the correct sequence that you must use？（）

A. 8， 1， 3， 2， 4， 5， 7， 6
B. 1， 8， 3， 4， 2， 5， 7， 6
C. 1， 3， 4， 2， 8， 5， 6， 7
D. 1， 3， 2， 4， 6， 5， 7， 8

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热门试题

多项选择题WhichtwooperationsareNOTperformedbytheDUPLICATEcommandinRecoveryManager（RMAN）whileduplicatingarunningdatabase？（）

A. Creating the control file for the duplicate database
B. Restoring the target data files to the duplicate database
C. Performing complete recovery using all available backups
D. Generating a new， unique DBID for the duplicate database
E. Copying the online redo log files from the target database to the duplicate database

单项选择题TapestreamingisnothappeningwhileperformingRMANtapebackup.Oninvestigation，youfindthatitisnotbecauseoftheincrementalbackuportheemptyfilebackupandthatRMANissendingdatablockstothetapedrivefastenough.Whatcouldbeasolutiontomaketapestreaminghappenduringthebackup？（）

A. Configure backup optimization
B. Configure the channel to increase MAXOPENFILES
C. Configure the channel to increase the capacity with the RATE parameter
D. Configure the channel to adjust the tape buffer size with the BLKSIZE option

多项选择题Whichthreetaskscanbeperformedusingaduplicatedatabase？（）

A. Testing the backup and recovery procedures
B. Testing the upgrade of an Oracle database to a new release
C. Testing the effect of an application changes on database performance
D. Continuously updating archive log files from the target database to support failover

单项选择题Examine the CREATE DISKGROUP command used to create a disk group： SQL> CREATE DISKGROUP misc EXTERNAL REDUNDANCY DISK ’ORCL： FRA3’ NAME misc1， ’ORCL： FRA4’ NAME misc2； In which situation would you use this method of disk group creation？（）

A. When two-way disk mirroring is required for the allocation units
B. When three-way disk mirroring is required for the allocation units
C. When using hardware mirroring or RAID
D. When disk mirroring is required for the Automatic Storage Management （ASM） disks

多项选择题Whichtwostatementsaretrueaboutajobchain？（）

A. A job chain can contain a nested chain of jobs
B. The jobs in a job chain cannot have more than one dependency
C. A job of the CHAIN type can be run using event-based or time-based schedules
D. The jobs in a job chain can be executed only by using the events generated by the Scheduler