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ÀïÃæ ÓÐÒ»¸öÁР quanxian
id  name  quanxian

1    a    001;002;003;
2    b    002;003;
3    c    003;004;
4    d    001;002;003;

ÎÒµÄÒâ˼ÊǰÑquanxianÁÐÖк¬ÓÐ002µÄÊý¾ÝÈ¡³öÀ´£»ÏÔʾÔÚgridviewÉÏ£¿
Çë´óÏÀÃǰïæ£¡ 
select * from tumen where quanxian like '%002%'

select * from tumen where quanxian like '%002%'
select * from tumen where charindex('002',quanxian) > 0

SQL code:

if object_id('ta') is not null drop table ta
go
create table ta(id int, name varchar(1), quanxian varchar(20))
insert into ta select
1, 'a', '001;002;003;' union all select
2, 'b', '002;003;' union all select
3, 'c', '003;004;' union all select
4, 'd', '001;002;003;'

select * from ta
where charindex(';002;',';'+quanxian)>0

id name quanxian
----------- ---- --------------------
1 a 001;002;003;
2 b 002;003;
4 d 001;002;003;

(3 ÐÐÊÜÓ°Ïì)



SQL code:
select * from tumen where charindex(','+'002'+',',','+quanxian+',') >


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Çó×ésqlÓï¾ä(a+b)=a

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a  b
10  7
(a-b)=a
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SQL code:
update a set a=a-b


SQL code:
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declare @listid nvarchar(100)
set @listid='(1,2,3,7,9,10)'
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