单项选择题
A. V$DATABASE
B. V$FLASHBACK_DATABASE_STAT
C. V$FLASHBACK_DATABASE_LOG
D. V$RECOVERY_FILE_DEST
单项选择题 WhichbackgroundprocesssequentiallywritesFlashbackDatabasedatafromtheflashbackbuffertotheFlashbackDatabaselogs？（）
单项选择题 YouaremanagingasingleinstanceOracle10gdatabasethatutilizesthefollowingparameters：WhichofthefollowingsetofcommandsmustyouexecutetoenableFlashbackDatabase？（）
单项选择题 Youareperformingadatabaserecoverybecauseauser’sschemaisdropped.Whileperformingtherecovery，youusetheUNTILSEQUENCEclause.Whichtypeofdatabaserecoveryareyouperforming？（）