Examinethefollowingcommandusedtoperformincrementallevel0backup:RMAN>BACKUPINCREMENTALLEVEL0DATABASE;Toenabletheblockchangetracking,aftertheincrementallevel0backupyouissuedthefollowingcommand:SQL>ALTERDATABASEENABLEBLOCKCHANGETRACKINGUSINGFILE’/mydir/rman_

题目

Examinethefollowingcommandusedtoperformincrementallevel0backup:RMAN>BACKUPINCREMENTALLEVEL0DATABASE;Toenabletheblockchangetracking,aftertheincrementallevel0backupyouissuedthefollowingcommand:SQL>ALTERDATABASEENABLEBLOCKCHANGETRACKINGUSINGFILE’/mydir/rman_change_track.f’;Toperformincrementallevel1cumulativebackup,youissuedthefollowingcommand:RMAN>BACKUPINCREMENTALLEVEL1CUMULATIVEDATABASE;Whichtwostatementsaretrueintheabovesituation?()

A.Theblockchangetrackingdatawillbeusedonlyfromthenextincremental0backup.

B.Theincrementalbackupwillusechangetrackingdataforaccomplishingthebackup.

C.Theincrementalbackupwillnotusechangetrackingdataforaccomplishingthebackup.

D.Theblocktrackfilewillscanalltheblocksandcreatebitmapforalltheblocksbackedupinthelevel0backup.


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