YoudisabledtheFlashbackDatabasefeaturebyusingthefollowingcommand:SQL>ALTERDATABASEFLASHBACKOFFWhatwouldbetheeffectofthiscommandontheexistingflashbacklogs?()A.Flashbacklogsarenotdeleted.B.Flashbacklogsaredeletedautomatically.C.Flashbacklogsaredeletedonlyif
题目
YoudisabledtheFlashbackDatabasefeaturebyusingthefollowingcommand:SQL>ALTERDATABASEFLASHBACKOFFWhatwouldbetheeffectofthiscommandontheexistingflashbacklogs?()
A.Flashbacklogsarenotdeleted.
B.Flashbacklogsaredeletedautomatically.
C.FlashbacklogsaredeletedonlyifyouareusingRecoveryManager（RMAN）.
D.FlashbacklogsaredeletedonlyifyouareusingOracleManagedFiles（OMF）.
E.FlashbacklogsaredeletedonlyifyouareusingAutomaticStorageManagement（ASM）.