YouworkasadatabaseadministratorforSupportcenter.cn.Yourdatabaseisconfiguredforautomaticundomanagement.UNDO_RETENTIONissetto3hours.Youwanttoflashbackatablethatwascreatedlastyear.Howfarbackcantheflashbackquerygo?()A.3hoursB.6monthsC.untillastyearD.untillastcommitE.untilthepointwhentheundotablespacewasrefreshedF.untilthedatabaseisshutdownandthememoryerased
YouworkasadatabaseadministratorforSupportcenter.cn.Yourdatabaseisconfiguredforautomaticundomanagement.UNDO_RETENTIONissetto3hours.Youwanttoflashbackatablethatwascreatedlastyear.Howfarbackcantheflashbackquerygo?()
A.3hours
B.6months
C.untillastyear
D.untillastcommit
E.untilthepointwhentheundotablespacewasrefreshed
F.untilthedatabaseisshutdownandthememoryerased
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