单项选择题
What does the minimize load database parameter mean when backing up a database?（）
A.RMAN will attempt to make the backup run as fast as possible without any IO limitations.
B.RMAN will automatically restrict the number of channels in use to one.
C.RMAN will spread the backup IO over the total duration stated in the backup command.
D.RMAN will skip any datafile that currently is involved in an IO operation. RMAN will retry backing up the datafile later and an error will be raised at the end of the backup if the datafile cannot be backed up.
E.Datafiles will be backed up; those having the lowest current number of IO operations will be backed up first.
相关考题
-
单项选择题
Whatviewmightyouusetotrytodeterminehowlongaparticularbackupwilltake?（）
A.V$SESSION_EVENT
B.V$SESSION
C.V$W0041ITS
D.V$WAITSTAT
E.V$SESSION_LONGOPS -
单项选择题
Whatdoesitmeanifabackupisexpired?（）
A.The backup set has exceeded the retention criteria set in RMAN and is eligible for removal.
B.The backup set has one or more invalid blocks in it and is not usable for recovery.
C.The backup set contains one or more tablespaces no longer in the database.
D.The backup set contains one or more missing backup set pieces.
E.The backup set is from a previous version of RMAN and was not upgraded. -
单项选择题
Youwanttomakesurethatyourdatabasebackupdoesnotexceed10hoursinlength.Whatcommandwouldyouissuethatwouldmeetthiscondition?（）
A.backup database plus archivelog
B.backup database plus archivlog until time ‘10:00‘
C.backup database plus archivelog timeout ‘10:00‘
D.backup database plus archivelog duration 10:00
