PIVOT tsql中的多列

Question

我有一个像这样构造的表

custid|prodid|calls|orders|upsell
 34   |   2  |   4 |   2  |   1

但是我需要旋转或重构到表以反映类似内容

custid|prodid|code   |Value
34    |   2  | call  | 4
34    |   2  | order | 2
34    |   2  | upsell| 1

Answer 1

您可以使用联合方法：

SELECT custid, prodid, 'call' AS code, calls AS [Value] FROM yourTable UNION
SELECT custid, prodid, 'order', orders FROM yourTable UNION
SELECT custid, prodid, 'upsell', upsell FROM yourTable;