排序问题，求帮助~~~~

[lishery]

表中一列数据为：7,2,a,e,8,1,c等，为数据和字母混合，
先根据数字顺序排序，再根据字母顺序排序，得到结果：1,2,7,8,a,c,e

[快溜]

select * from tb order by uncode(字段)

[zczhangchao2003]

CREATE TABLE #T1
(
	col varchar(10) not null
)
insert into #T1
Select '1' union 
Select '4' union 
Select 'a' union 
Select 'c' union 
Select '7' union 
Select '2' union 
Select 't' union 
Select 'b' 
Select * From #T1 order by col

col
----------
1
2
4
7
a
b
c
t

(8 行受影响)

[孤独加百列]

IF EXISTS (SELECT 1 FROM SYSOBJECTS WHERE name = 'tba')
BEGIN
	DROP TABLE tba
END
GO
CREATE TABLE tba
(
	memo VARCHAR(100)
)
GO
INSERT INTO tba
SELECT '7' UNION
SELECT '21' UNION
SELECT 'a' UNION
SELECT 'e' UNION
SELECT '8' UNION
SELECT '1' UNION
SELECT 'c'
GO

SELECT memo
FROM tba
ORDER BY CASE WHEN ISNUMERIC(Memo) > 0 THEN CAST(memo AS INT)
              ELSE 2147483647 END 

memo
1
7
8
21
a
c
e

[lishery]

不好意思，列的数据有两位数的，为： 7,12,10,2，a,e,8,1,c
想得到：1,2,7,8,10,12,a,c,e