SQL 分组后求和

Question

我有一个为 Volusion 构建的查询，它的 SQL 能力非常有限，比如我不能使用临时表，甚至不能使用变量...这是我通常会尝试的方式来完成这个任务。

但是，我有这个查询，它为我提供了我需要的信息，但我必须在运行之后在 Excel 中使用它......我想获得查询让我得到我需要的结果。

我最终需要的是 cost/profit 由 google_gender 和代表...总结。有没有一种方法可以在没有变量或临时表的情况下完成此操作？

这是我当前的查询：

SELECT
    Products_Joined.Google_Gender,
    REPLACE(REPLACE(REPLACE(REPLACE(Customers.SalesRep_CustomerID,379646,'Dan'),658024,'Owen'),643352,'Mary'),584310,'Pete') as SalesRep,
    SUM(OrderDetails.ProductPrice)*OrderDetails.Quantity as TotalSold,
    SUM(OrderDetails.Vendor_Price)*OrderDetails.Quantity as VendorCost,
    SUM(OrderDetails.ProductPrice)*OrderDetails.Quantity-(OrderDetails.Vendor_Price)*OrderDetails.Quantity as Profit
FROM
    Products_Joined, OrderDetails, Orders, Customers
WHERE
    Products_Joined.ProductCode=OrderDetails.ProductCode 
    AND OrderDetails.OrderID=Orders.OrderID 
    AND Orders.CustomerID=Customers.CustomerID
    AND Orders.OrderDate BETWEEN '05/01/16 00:00' and '05/31/16 23:59'
    AND Customers.SalesRep_CustomerID in ('379646' , '658024' , '643352' , '584310')
    AND Orders.OrderStatus <> 'Cancelled'
GROUP BY    
    Products_Joined.Google_Gender,
    OrderDetails.Quantity,
    OrderDetails.Vendor_Price,
    OrderDetails.ProductPrice,
    Customers.SalesRep_CustomerID

因为查询必须从 OrderDetails 中提取商品信息，为了得到 "sold price" 它在结果文件中列出每个订单# 和 sku，我不需要，我只需要总金额每个 google_gender，代表。而且只会有 4 次 :)

Answer 1

要获得每个 gender/rep 的 SUM，您需要去掉其他分组级别。没有任何模式或数据我只是猜测，但这可能会给你你想要的；

SELECT
    Products_Joined.Google_Gender,
    REPLACE(REPLACE(REPLACE(REPLACE(Customers.SalesRep_CustomerID,379646,'Dan'),658024,'Owen'),643352,'Mary'),584310,'Pete') as SalesRep,
    SUM(OrderDetails.ProductPrice*OrderDetails.Quantity) as TotalSold,
    SUM(OrderDetails.Vendor_Price*OrderDetails.Quantity) as VendorCost,
    SUM(OrderDetails.ProductPrice*OrderDetails.Quantity)-SUM(OrderDetails.Vendor_Price*OrderDetails.Quantity) as Profit
FROM
    Products_Joined, OrderDetails, Orders, Customers
WHERE
    Products_Joined.ProductCode=OrderDetails.ProductCode 
    AND OrderDetails.OrderID=Orders.OrderID 
    AND Orders.CustomerID=Customers.CustomerID
    AND Orders.OrderDate BETWEEN '05/01/16 00:00' and '05/31/16 23:59'
    AND Customers.SalesRep_CustomerID in ('379646' , '658024' , '643352' , '584310')
    AND Orders.OrderStatus <> 'Cancelled'
GROUP BY    
    Products_Joined.Google_Gender,
    Customers.SalesRep_CustomerID

请注意，所有 OrderDetails 都在 SUM 函数中。

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