SQL Query在WHERE Exist CLAUSE中包含第三列

Question

如何将SUM(tonnage_adjusted)中DeliverTons列的SELECT DISTINCT CROP_CLASS As Opened,SUM(ACREAGE) AS SumofAcreage From CaneParcel WHERE EXISTS (SELECT * FROM DeliveryTons WHERE CaneParcel.FIELD_ID = DeliveryTons.parcel_id AND parcel_status = 1) Group By CROP_CLASS Order By SumofAcreage DESC 包含到此SQL查询中以生成我需要的3列值。

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Answer 1

希望这能解决您的问题

SELECT  
CROP_CLASS As Opened,
SUM(ACREAGE) AS SumofAcreage,
SUM(tonnage_adjusted) AS TonnageAdjusted
FROM 
CaneParcel
INNER JOIN DeliveryTons ON CaneParcel.FIELD_ID = DeliveryTons.parcel_id AND parcel_status = 1
Group By CROP_CLASS
Order By SumofAcreage