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IF EXISTS (SELECT name from sysobjects
      WHERE name = 'gs_MySub' AND type = 'P')
   DROP PROCEDURE gs_MySub
GO
create proc gs_MySub
 @www varchar(100),
 @result varchar(100) output,
 @end int = 0
as
 set @www = REPLACE(@www, 'http://', '') --Ìæ»»µôhttp://
 set @end = PATINDEX('%/%', @www) --µÃµ½µÚÒ»´Î³öÏÖ'/'µÄλÖÃ
 set @result = SUBSTRING(@www, 0, @end) --½ØÈ¡
GO
SQL²éѯ·ÖÎöÆ÷À
declare cur_domain1 cursor
for
select domain from test1
open cur_domain1
declare @result varchar(100)
declare @domain varchar(100)
Fetch next from cur_domain1
while (@@fetch_status<>-1)
begin fetch next from cur_domain1
INTO:@domain
exec gs_MySub @domain, @result output
print @result
end
close cur_domain1


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using System.Data.SqlClient;
public class sqlServerConnection {
//
public static void Main() {
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--sql server 2005
-- 1. ±í½á¹¹ÐÅÏ¢²éѯ
-- ========================================================================
-- ±í½á¹¹ÐÅÏ¢²éѯ
-- ×Þ½¨ 2005.08(ÒýÓÃÇë±£Áô´ËÐÅÏ¢)
-- ========================================================================
SELECT
    TableName=CASE WHEN ......

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--´´½¨Ò»Õűí
create table stut
(
  id int,
  na varchar(20)
)
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insert into stut values(1,'aa')
insert into stut values(2,'bb')
insert into stut values(3,'df')
insert into stut values(4,'Öйú')
select * from stut
--¸ù¾Ý'df,aa,Öйú,bb'À´½øÐÐÅÅÐò
select * from stut ......
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