不要太忙了 好好珍惜眼下 的真爱 （马晓静sorry~）  

                

 

表 test
---------------
  id  | i_order
---------------
   1 |  22
   2 |  23
---------------
转换后结果为：
---------------
  id  | i_order
---------------
   1 |  23
   2 |  22
---------------

Oracle 和SQLServer数据语句相同，语句如下：：

UPDATE test   
   SET i_order = (CASE 

                  WHEN id = 1 THEN 

                   (SELECT i_order FROM test WHERE id = 2)  

                  WHEN id = 2 THEN 

                   (SELECT i_order FROM test WHERE id = 1)  

                END)  

  WHERE id=1 OR id=2;