单项选择题
A.V$BACKUPSET
B.RC_DATABASE
C.V$BACKUP_SET
D.RC_BACKUP_SET
单项选择题 WhichofthefollowingdynamicviewwouldyouquerytoidentifytheonlineCURRENTredologgroup？（）
单项选择题 WhichdynamicperformanceviewdisplaystheinformationaboutthefilesassociatedwiththelocallymanagedtemporarytablespacesinOracle9i？（）
单项选择题 RMANenablesyoutoopenthetargetdatabasewhenitisalreadymounted.WhichcommandmustyouexecuteattheRMANprompttoopenthedatabase？（）