历险记SQL服务器查询

Question

我正在使用 AdventureWorks 2014 数据库编写 SQL 查询。

我想显示哪些订单包含两种以上的产品？显示订单号、订单价值和订单包含的产品数量。

我试图自己写语句（见下文），但我希望能够解决关系：

select SalesOrderID , ProductID , LineTotal
from Sales.SalesOrderDetail
order by SalesOrderID

Answer 1

此代码会给出您预期的答案

SELECT SalesOrderID 
        ,ProductID
        ,LineTotal
        ,'Sales Order ' +CAST(SalesOrderID AS VARCHAR(100))+'  Contains Productid of'+CAST(ProductID  AS VARCHAR(100))
        AS [ProductsCountPerOrder] 
       ,Productscount
    FROM
(
SELECT   salesorderid , 
         productid , 
         linetotal , 
         Count(productid)OVER(partition BY salesorderid ORDER BY salesorderid) AS productscount 
FROM     sales.salesorderdetail 
)dt 
WHERE dt.productscount>2 
ORDER BY salesorderid

Answer 2

@Juan Carlos Oropeza

我做到了，你看看有没有问题

select  s.SalesOrderID,
        a.SalesOrderCount, 
        a.ProductCount,
        sum(LineTotal) as OrderValue 
from  Sales.SalesOrderDetail s , 
      (select SalesOrderID ,
              count(SalesOrderID)  as SalesOrderCount ,
              count(productid) as ProductCount
       from Sales.SalesOrderDetail
       group by SalesOrderID 
      ) a
where s.SalesOrderID = a.SalesOrderID
group by a.salesordercount, s.SalesOrderID, a.ProductCount
having a.ProductCount >2 
order by s.SalesOrderID

Answer 3

SELECT SalesOrderID,
       COUNT(ProductID) as total_products,
       SUM(LineTotal) as total_invoice
FROM SalesOrderDetail s
GROUP BY SalesOrderID
HAVING COUNT(ProductID) > 2
ORDER BY s.SalesOrderID

Answer 4

Select 
    SalesOrderID, 
    sum(LineTotal) as [order value], 
    count(SalesOrderID) as [number of Product] 
from Sales.SalesOrderDetail 
    group by SalesOrderID having count(SalesOrderID)>=2 
    order by SalesOrderID desc

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