Youareperformingadatabaserecoverybecauseauser’sschemaisdropped.Whileperformingtherecovery，youusetheUNTILSEQUENCEclause.Whichtypeofdatabaserecoveryareyouperforming？（）
A. usermanagedcompleterecovery
B. usermanagedincompleterecovery
C. RMAN-basedcompleterecovery
D. RMAN-basedincompleterecovery
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孙中山早期的改良救国经济思想比较集中的表现在三篇文章中（）。
A. 《致郑藻如书》
B. 《上书李鸿章》
C. 《孙文学说》
D. 《农功》
InwhichscenarioisaDatabaseAdministratorNOTrequiredtoperformanincompleterecovery？（）
A. whenalltheonlineredologgroupsaremultiplexedandoneofthemembersofagroupismissing
B. whenalltheonlineredologgroupsarenotmultiplexedandoneloggroupismissing
C. whenallthecontrolfilesaremissing
D. whensomeimportanttablesaredeletedfromthedatabaseandpurgedfromtheRecycleBin
hichofthefollowingRMANstructurescandatafromadatafilespan？（）
A. RMANbackup-setpiecesspanningbackupsets
B. RMANbackup-setpieceswithinagivenbackupsets
C. RMANbackups
D. RMANchannels
E. Noneoftheabove
YouareperforminganincompleterecoverybecausesomeimportanttableshavebeendroppedandpurgedfromtheRecycleBin.WhichclausecanyouNOTusetoperformtheincompleterecoverybyusingtheRMANutility？（）
A. UNTILCANCEL
B. UNTILSCN
C. UNTILSEQUENCE
D. UNTILTIME
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