以下SQL代码引发错误

Question

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获取此错误“列'F_ProgramCost_Fact.Month'在选择列表中无效，因为它不包含在聚合函数或GROUP BY子句中。”

请帮忙！ 感谢

Answer 1

您需要按所有列进行分组：

select fp.Physician_Key,fp.Month,pd.DisplayName,hd.ProductName,SUM(AmtPaid) as TotalCost
From F_ProgramCost_Fact fp
Inner Join D_HEALTHPLANDim hd
ON hd.HealthPlan_Key = fp.HealthPlan_Key
Inner join D_PHYSICIANDim pd
ON fp.Physician_Key = fp.Physician_Key 
Inner Join F_MemberPatient_FactLess mpf ON fp.MemberPatientFact_Key = mpf.MemberPatientFact_Key
Group By fp.Physician_Key,fp.Month,pd.DisplayName,hd.ProductName