问答题

TheEMPtableexistsinyourschema.Youwanttoexecutethefollowingquery:SELECTename,salFROMempASOFTIMESTAMP(SYSTIMESTAMP-INTERVAL’6’MINUTE)WHEREename=’ALLEN’;Whataretheminimumrequirementsforthestatementtoexecutesuccessfully?()
A.ARCHIVELOGmodemustbeenabled
B.RowMovementmustbeenabledforthetable
C.FLASHBACKmustbesettoONforthedatabase
D.TheUNDO_MANAGEMENTparametermustbesettoAUTO
E.TheUNDO_RETENTIONparametermustbesetappropriately

A.Youwanttoexecutethefollowingquery:SELECTename,salFROMempASOFTIMESTAMP(SYSTIMESTAMP-INTERVAL’6’MINUTE)WHEREename=’ALLEN’;Whataretheminimumrequirementsforthestatementtoexecutesuccessfully?()
A.ARCHIVELOGmodemustbeenabled
B.RowMovementmustbeenabledforthetable
C.FLASHBACKmustbesettoONforthedatabase
D.TheUNDO_MANAGEMENTparametermustbesettoAUTO
E.TheUNDO_RETENTIONparametermustbesetappropriately
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