A.ItispossibletohavemultipledatabasewritersinanOracleinstance.
B.Itwritesdirtybuffers,ifany,todatafileswheneveracheckpointoccurs.
C.Itwritesdirtybuffers,ifany,todatafileswheneveratransactioncommits.
D.Itwritesdirtybuffers,ifany,todatafilesbeforethelogwriter(LGWR)writes
第1题
A.ThescriptwillfailsinceyouinstructedRMANtobackuponlyonedatafileratherthantwo
B.Thescriptwillsuccessfullybackupdatafile3withouterror
C.Thescriptwillfailsinceitusesasubstitutionvariablewhichisnotsupported
D.Theexecutescriptcommandwillpromptforthevalueofand2sinceit’snotincludedinthecommand
E.Thescriptwillfailbecauseyoucannotusetheplusarchivelogcommandwhenbackingup
第2题
A.FlashbackTable
B.FlashbackDatabase
C.FlashbackVersionsQuery
D.theRMANREPORTcommand
E.theDBA_PENDING_TRANSACTIONSview
第3题
Given the following steps, which would be the correct order to create a backup of an Oracle database in NOARCHIVELOG mode?()1.shutdown immediate from RMAN2.Log into RMAN3.startup mount from RMAN4.backup database5.alter database open6.backup database plus archivelog delete input
A.2,3,1,4,5
B.2,1,3,6,5
C.1,3,5,4
D.2,1,3,5,6
E.2,1,3,4,5
第4题
A. Issue the ALTER DISKGROUP ... ADD DISK command.
B. Issue the ALTER DISKGROUP ... UNDROP DISKS command.
C. Issue the ALTER DISKGROUP ... DROP DISK CANCEL command.
D. Retrieve the disk from the Recycle Bin after the operation completes.
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