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》
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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
YouareusingRecoverywizardforperformingincompleterecovery.WhichofthefollowingobjecttypesisNOTavailableinthePerformRecovery:Typescreen?()
A. Wholedatabase
B. Tablespaces
C. Datafiles
D. Archivelogs
E. Redologs