多项选择题

A. To remove missing backup set pieces physically from ……

Why would you run the delete obsolete command？（）

A. To remove missing backup set pieces physically from disk
B. To remove metadata related to backup set pieces in the control file and the recovery catalog
C. To mark as deleted records in the control file and the recovery catalog associated with obsolete backup sets
D. To delete backup set pieces associated with backups that are no longer needed due to retention criteria
E. To remove old versions of RMAN backups

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热门试题

单项选择题You run the following commands： RMAN> list expired backup； RMAN> delete expired backup； What will happen to the backup set pieces associated with the backups that appear in the list expired backup command？（）

A. They will be renamed.
B. Nothing will happen to them. The backup set pieces do not exist.
C. They will be deleted immediately since they are not in the flash recovery area.
D. You will need to manually remove the physical files listed in the output of the commands.
E. They will become hidden files and removed 10 days later.

单项选择题You have lost all your RMAN backup set pieces due to a disk failure. Unfortunately， you have an automated cross-check script that also does a delete expired backupset command. You have restored all the backup set pieces from tape. What command would you use to get those backup set pieces registered in the recovery catalog and the control file of the database again？（）

A. register database
B. recover catalog
C. load backupset
D. synch metadata
E. catalog start with

单项选择题Youhavebackedupyourdatabasetwicewithoutconnectingtotherecoverycatalog.Whatcommanddoyouissuetotransferthecontrol-filemetadatatotherecoverycatalog？（）

A. synch catalog
B. resync catalog
C. replicate catalog
D. update catalog
E. restore catalog

单项选择题Whatcommandwouldyouusetoensurethatbackuprecordsinthecontrolfilearepointingtoactualphysicalfilesonthebackupmedia？（）

A. crosscheck
B. list backup
C. confirm
D. resync
E. backup validate

单项选择题Whichcommandwouldyouusetodeterminewhatdatabasebackupsarecurrentlyavailableforrestore？（）

A. list database backup
B. report database backup
C. list backup of database
D. list summary backup
E. report backup of database