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Considerthefollowingscenario:Youhaveadirectory,data,underthediskgrouptdgroupA.Youwanttocreateanaliasforoneofthedatafilesandyouexecutethefollowingcommand:ALTERDISKGROUPtdgroupAADDALIAS’+tdgroupA/data/datafile.dbf’FOR’+tdgroupA.231.45678’;Whichtaskwouldbeaccomplishedbythecommand?()
A.Thecommanddropsthefile+tdgroupA·231.45678.
B.Thecommandphysicallyrelocatesthefileto+tdgroupA/dataandrenamesthefiletodatafile.dbf.
C.Thecommandcreatesacopyofthe+tdgroupA·231.45678fileandplacesitin+tdgroupA/dataafterrenamingthefiletodatafile.dbf.
D.Thecommandcreatesanalias,datafile.dbf,andplacesitin+tdgroupA/dataanddoesnotremovethe+tdgroupA·231.45678file.
E.Thecommandcreatesafile,datafile.dbf,in+tdgroupA/dataandremovesthereferencesfor+tdgroupA·231.45678fromthedatadictionaryviews.
参考答案