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AUMhasbeenretainingabout15minutesworthofundo.Youwanttodoubletheretentionperiod，butnotattheexpenseofnewtransactionsfailing.YoudecidetoalterthesystemtosettheparameterUNDO_RETENTION=18000.However，AUMstillretainsonlyabout15minutesworthofundo.Whatistheproblem？（）

A.YouneedtoaltertheundotablespacetoaddtheRETENTIONGUARANTEEsetting.

B.Youneedtoincreasethesizeoftheundotablespace.

C.Theundotablespaceisnotsettoauto-extend.

D.YouneedtoaltertheRecycleBintoaddtheRETENTIONGUARANTEEsetting.

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更多 “ AUMhasbeenretainingabout15minutesworthofundo.Youwanttodoubletheretentionperiod，butnotattheexpenseofnewtransactionsfailing.YoudecidetoalterthesystemtosettheparameterUNDO_RETENTION=18000.However，AUMstillretainsonlyabout15minutesworthofundo.Whatistheproblem？（）A.YouneedtoaltertheundotablespacetoaddtheRETENTIONGUARANTEEsetting.B.Youneedtoincreasethesizeoftheundotablespace.C.Theundotablespaceisnotsettoauto-extend.D.YouneedtoaltertheRecycleBintoaddtheRETENTIONGUARANTEEsetting. ” 相关考题
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