小编Ami*_*mit的帖子

我想按数量展示最畅销的产品

Product Table
ProductID  ProductName
1          AA   
2          BB
3          CC
[Order Details] Table
OrderID ProductID  Quantity DateOfOrder
1       1            10    SomeDate   
2       1            100     ,,
3       2            15      ,, 
4       1            15      ,,   
5       2            20      ,, 
6       2            30      ,, 
7       1            100     ,,

Expected Output

Product By Quantity  AA

因为总和(数量)= 225

我用了:

select 'Product By Quantity' + ProductName 
from
Products 
where ProductID in
 (select 
       ProductID
  from 
       [Order Details] det 
  where Quantity=
                (
                  select max(SUM(Quantity)) 
                  from [Order Details] …