该 领域 你 GROUP BY
,你需要或者使用聚合
sum,
max等等,或者你需要包括子句中的列,请访问以下链接:SQL集团通过与
汇总值
SELECt p.FirstName ,p.LastName ,pa.EndDate ,pr.PurchaseDate ,pr.SerialNumber ,pr.CatalogPrice ,v.PlateNumber ,v.FirstCirculationDate ,v.FirstDrivingTax ,v.UsualDrivingTaxFROM bm_ProductAllocations AS paINNER JOIN bm_Persons AS p ON pa.Id_Person = p.Id_PersonINNER JOIN bm_Products AS pr ON pa.Id_Product = pr.Id_ProductINNER JOIN bm_Vehicles AS v ON pr.Id_Product = v.Id_ProductGROUP BY pa.Id_Product ,p.FirstName ,p.LastName ,pa.EndDate ,pr.PurchaseDate ,pr.SerialNumber ,pr.CatalogPrice ,v.PlateNumber ,v.FirstCirculationDate ,v.FirstDrivingTax ,v.UsualDrivingTax;



