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Whatistheimpactoftheresultsoftheoutputofthefollowingcommand?()RMAN>reportunrecoverabledatabase;ReportoffilesthatneedbackupduetounrecoverableoperationsFileTypeofBackupRequiredName4fullorincrementalC:\ORACLE\ORADATA\ORCL\USERS01.DBF
A.Therearenobackupsetswithanybackupsoftheusers01.dbfdatafile.
B.Theusers01.dbfdatafilehashadunrecoverableoperationsoccurinit.Itwillneedtobebackeduporsomedatalossispossibleduringarecovery.
C.Theusers01.dbfdatafileiscorrupted.
D.Theusers01.dbfdatafilebackupexceedstheretentioncriteria.
E.Thelastbackupoftheusers01.dbfdatafilefailedandmustbererun.
参考答案