单项选择题

Which of the following dynamic view would you query to identify the online CURRENT redo log group？（）

A.V$LOG
B.V$LOFHIST
C.V$LOGFILE
D.V$LOG_HISTORY

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单项选择题

WhichdynamicperformanceviewdisplaystheinformationaboutthefilesassociatedwiththelocallymanagedtemporarytablespacesinOracle9i？（）

A.V$DATAFILE
B.V$TEMPFILE
C.V$DBFILE
D.V$DATAFILE_HEADER

单项选择题

RMANenablesyoutoopenthetargetdatabasewhenitisalreadymounted.WhichcommandmustyouexecuteattheRMANprompttoopenthedatabase？（）

A.’SQL ALTER DATABASE OPEN’；
B.SQL ALTER DATABASE ’OPEN’；
C.OPEN DATABASE；
D.DATABASE OPEN

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