小编Lis*_*isa的帖子

我需要从销售员的2列订单表中获取现金和支票金额的总和。

我的桌子是这样的：

Salesman A  Cash    21151
Salesman B  Cash    34510
Salesman C  Cash    21252
Salesman D  Cash    13356
Salesman A  Cheque  13944
Salesman B  Cheque  87368
Salesman C  Cheque  20182
Salesman D  Cheque  23862

SQL：

SELECT Ca.Cash,  Cr.Credit FROM 
    (SELECT Salesman, PayMode, SUM(Collection) AS Cash
        FROM Prospect_Detail WHERE(Purpose = 'Collections') AND (PayMode = 'Cash')
        GROUP BY Salesman, PayMode) AS Ca 
        CROSS JOIN
    (SELECT Salesman, PayMode, SUM(Collection) AS Credit
        FROM Prospect_Detail WHERE(Purpose = 'Collections') AND (PayMode = 'cheque')
        GROUP BY Salesman, …