如何将多个列转换为行

Question

我有一个示例查询数据表：

我希望我的输出表看起来像：

我尝试使用pivot运算符，但不能将它们全部加起来。

Answer 1

SELECT 
    * 
FROM
    (
        SELECT * FROM woddb.cityStock_Unpivot
    ) AS tblCity
    UNPIVOT
    (
        OutputValue FOR [OutputFieldName] IN (Sales, stock, [Target])
    ) AS UNPVT
    PIVOT
    (
        SUM(OutputValue)
        For Category IN (Panel,ac,ref)
    ) AS PVT