Youareworkingonanonlinetransactionprocessing(OLTP)system.YounoticethataPL／SQLpro
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）.
正确答案：参考B
词条内容仅供参考，如果您需要解决具体问题
（尤其在法律、医学等领域），建议您咨询相关领域专业人士。