单项选择题

Whatistheresultofthiscommand？（）RMAN>Reportneedbackupdays3；

A.Listsalldatafilescreatedinthelastthreedaysthatarenotbackedup.
B.Listsalldatafilesnotrecoverablebasedonthecurrentretentioncriteria.
C.Listsalldatafilesnotbackedupinthelastthreedays.Thedatafileisnotrecoverable.
D.Listsalldatafilesthatneedtobebackedupduetounrecoverableoperations.
E.Listsalldatafilesnotbackedupinthelastthreedays.Itdoesnotimplythatthedatafileisnotrecoverable.

你可能感兴趣的试题

单项选择题

Whatdoesitmeanifabackupisexpired？（）

A.ThebackupsethasexceededtheretentioncriteriasetinRMANandiseligibleforremoval.
B.Thebackupsethasoneormoreinvalidblocksinitandisnotusableforrecovery.
C.Thebackupsetcontainsoneormoretablespacesnolongerinthedatabase.
D.Thebackupsetcontainsoneormoremissingbackupsetpieces.
E.ThebackupsetisfromapreviousversionofRMANandwasnotupgraded.

问答题

Whataretwocommonreportingrequirements?（）

A.thedatabaseconnectivitymethod
B.thenumberofusersinthesolution
C.thenumberofreportsbeinginstalled
D.abilitytosendcompletedreportsbye-mail
E.reportingoutputavailableinMicrosoftExcel