单项选择题
Which of the following RMAN structures can data from a datafile span？（）
A. RMAN backup-set pieces spanning backup sets
B. RMAN backup-set pieces within a given backup set
C. RMAN backups
D. RMAN channels
E. None of the above
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相关考题
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多项选择题
WhichofthefollowingfilescannotbebackedupbyRMAN？（）
A. Database datafiles
B. Control files
C. Online redo logs
D. Database pfiles
E. Archived redo logs -
单项选择题
Your database has a backup that was taken yesterday （Tuesday） between 13：00 and 15：00 hours. This is the only backup you have. You have lost all the archived redo logs generatedsince the previous Monday， but you have archived redo logs available from the previous Sunday and earlier. You now need to restore your backup due to database loss. To which point can you restore your database？（）
A. 13：00 on Tuesday.
B. 15：00 on Tuesday.
C. Up until the last available archived redo log on Sunday.
D. To any point； all the redo should still be available in the online redo logs.
E. The database is not recoverable. -
单项选择题
Whichcommandisusedtoopenthedatabaseafteranincompleterecovery？（）
A. alter database open
B. alter database open repairlog
C. alter database open resetlogs
D. alter database open resetlog
E. alter database resetlogs open
