YouaremaintainingadatabasethatisinARCHIVELOGmode.Youhaveconfiguredtheflashrecoveryareainyourdatabase.ThedatabaseisinMOUNTEXCLUSIVEmode,andyouwanttoconfiguretheFlashbackDatabasefeature.WhichtwooptionsareNOTrequiredtoconfiguretheFlashbackDatabasefeature?()

A.Openthedatabaseinread-onlymode. B.SettheretentiontargetwiththeDB_FLASHBACK_RETENTION_TARGETinitializationparameter. C.Enabletheblockchangetrackingfeature. D.ExecutetheALTERDATABASEFLASHBACKONstatement.

时间:2023-09-10 13:25:16

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