-- 建表
CREATE TABLE #T
(
	a VARCHAR(10),
	b VARCHAR(10),
	c VARCHAR(10)
)
INSERT INTO #T VALUES('1','2','3')
INSERT INTO #T VALUES('6','5','4')
INSERT INTO #T VALUES('7','8','0')
-- 查看表
SELECT * FROM #T
1	2	3
6	5	4
7	8	0

-- 纵向合并
SELECT ''+a  FROM #T FOR XML PATH('')
SELECT ''+b  FROM #T FOR XML PATH('')
SELECT ''+c  FROM #T FOR XML PATH('')
167
258
340

-- 横向合并，同时进行排序
SELECT a,b,c,(SELECT ''+x  FROM (VALUES(a),(b),(c)) AS tmp(x) ORDER BY x FOR XML PATH('') ) as concanate FROM #T
1	2	3	123
6	5	4	456
7	8	0	078

-- 弃表
DROP TABLE #T