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Youarerequiredtoflashbackyourdatabase.Youwanttofindtheamountofflashbackdatageneratedsincethedatabasewasopened.Whichtaskwillyouperformtoobtaintherequiredinformation?()A.QuerytheV$FLASHBACK_DATABASE_LOGview.B.QuerytheV$FLASHBACK_DATABASE_STATview.C.Checkthe
题目
Youarerequiredtoflashbackyourdatabase.Youwanttofindtheamountofflashbackdatageneratedsincethedatabasewasopened.Whichtaskwillyouperformtoobtaintherequiredinformation?()
A.QuerytheV$FLASHBACK_DATABASE_LOGview.
B.QuerytheV$FLASHBACK_DATABASE_STATview.
C.CheckthevalueoftheDB_FLASHBACK_RETENTION_TARGETinitializationparameter.
D.QuerytheV$RECOVERY_FILE_DESTview.