题目
第2题
A.Thequeryisunabletogetaread-consistentimage.
B.ThereisnotenoughspaceinFlashRecoveryArea.
C.Thereisnotenoughfreespaceintheflashbackarchive.
D.Thequeryisunabletoplacedatablocksinundotablespace
第3题
A.guaranteeundoretention
B.addonemoreredologgroup
C.sizetheredologfilesappropriately
D.sizetheUNDOtablespaceappropriately
E.sizetheSYSTEMtablespaceappropriately
F.configureanappropriateundoretentioninterval
G.changeautomaticundomanagementtomanual
第4题
A.Youperformedrollbackaftercommit.
B.Ifalogswitchoccursinyourdatabase.
C.Thearchiverfailstogenerateanarchivedlogfile.
D.Instancerecoveryfailstofindoneoftheredologfiles.
E.Along-runningqueryisunabletogetread-consistentimage.
F.Ifyouperformmanualundomanagementoperationsinautomode.
第5题
A.Youperformedrollbackaftercommit.
B.Ifalogswitchoccursinyourdatabase.
C.Thearchiverfailstogenerateanarchivedlogfile.
D.Instancerecoveryfailstofindoneoftheredologfiles.
E.Along-runningqueryisunabletogetread-consistentimage.
F.Ifyouperformmanualundomanagementoperationsinautomode.
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