TocleanupoldrecordsthatareinaFlashbackDataArchiveandarepasttheretentionperiod,whatmusttheDBAdo?()A.TRUNCATEthearchivetable.B.DROPtheFlashbackDataArchive.C.Nothing；expiredrowsareautomaticallyremoved.D.Nothing；expiredrowsaremovedtoanarchivetable.E.Deleteent
题目
TocleanupoldrecordsthatareinaFlashbackDataArchiveandarepasttheretentionperiod,whatmusttheDBAdo?()
A.TRUNCATEthearchivetable.
B.DROPtheFlashbackDataArchive.
C.Nothing；expiredrowsareautomaticallyremoved.
D.Nothing；expiredrowsaremovedtoanarchivetable.
E.Deleteentriesfromthearchivewherethemetadatadateretainedisgreaterthantheretentionperiod.
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参考答案和解析
参考答案：C