YouaremaintainingtheSALESdatabaseforanorganization.YouhaveenabledtheFlashbackDatabasefeatureandwanttoestimatetheflashbackspacerequiredforfutureoperations.Whichviewwouldyouquerytoestimatetheflashbackspacerequired？（）A.V$DATABASEB.V$FLASHBACK_DATABASE_STATC.
题目
YouaremaintainingtheSALESdatabaseforanorganization.YouhaveenabledtheFlashbackDatabasefeatureandwanttoestimatetheflashbackspacerequiredforfutureoperations.Whichviewwouldyouquerytoestimatetheflashbackspacerequired？（）
A.V$DATABASE
B.V$FLASHBACK_DATABASE_STAT
C.V$FLASHBACK_DATABASE_LOG
D.V$RECOVERY_FILE_DEST
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参考答案和解析
参考答案：B