Youareworkingonanonlinetransactionprocessing(OLTP)system.YounoticethataPL/SQLproceduregotexecutedtwiceat2)00p.m.ThishasincorrectlyupdatedtheEMP_SALtable.Howwouldyourevertthetabletoitsstateat2)00p.m.?()

A.Performpoint-in-timerecoveryto2:00p.m. B.UseFlashbackTablefeaturetorevertthechanges. C.Restoretheentiredatabasefromtherecentbackupandopenit. D.Issuetherollbackstatementwithsystemchangenumber(SCN).

时间:2024-01-16 12:36:18

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