#STDDEV

ORA-30454: summary contains STDDEV without corresponding SUM & COUNT

文档解释ORA-30454:summarycontainsSTDDEVwithoutcorrespondingSUM&COUNTCause:IncrementalrefreshofsummarieswithSTDDEV(X)requiresCOUNT(X)andSUM(X)columnstobeincluded...

ORA-30452: cannot compute AVG(X), VARIANCE(X) or STDDEV(X), without COUNT(X) or SUM(X)

文档解释ORA-30452:cannotcomputeAVG(X),VARIANCE(X)orSTDDEV(X),withoutCOUNT(X)orSUM(X)Cause:IncrementalrefreshofsummariesrequiresaCOUNT(X)columninordertoincrementally...