/*
SELECT 非透視的列>,
 [第一個(gè)透視的列] AS 列名稱>,

 [第二個(gè)透視的列] AS 列名稱>,
 ...
 [最后一個(gè)透視的列] AS 列名稱>,
FROM
 (生成數(shù)據(jù)的 SELECT 查詢>)
 AS 源查詢的別名>
PIVOT
(
 聚合函數(shù)>(要聚合的列>)
FOR
[包含要成為列標(biāo)題的值的列>]
 IN ( [第一個(gè)透視的列], [第二個(gè)透視的列],
 ... [最后一個(gè)透視的列])
) AS 透視表的別名>
可選的 ORDER BY 子句>;
*/
declare @tb table
(
cid int
,cname varchar(10)
)
insert into @tb
select 1,'aa'
union all
select 2,'bb'
select * from @tb
declare @idaa int
 ,@idbb int
select aa,bb
from(
 select cid,cname from @tb
 )as tt
pivot(
 max(cid) for cname in([aa],bb)
 )piv