SQL Server 2005 CTEµÄÓ÷¨
if object_id('[tb]') is not null
drop table [tb]
go
create table [tb]([id] int,[col1] varchar(8),[col2] int)
insert [tb]
select 1,'ºÓ±±Ê¡',0 union all
select 2,'ÐĮ̈ÊÐ',1 union all
select 3,'ʯ¼ÒׯÊÐ',1 union all
select 4,'ÕżҿÚÊÐ',1 union all
select 5,'ÄϹ¬',2 union all
select 6,'°ÓÉÏ',4 union all
select 7,'ÈÎÏØ',2 union all
select 8,'ÇåºÓ',2 union all
select 9,'ºÓÄÏÊ¡',0 union all
select 10,'ÐÂÏçÊÐ',9 union all
select 11,'aaa',10 union all
select 12,'bbb',10
;with t as(
select * from [tb] where col1='ºÓ±±Ê¡' union all select a.* from [tb] a ,t where a.col2=t.id
)
select * from t
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using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
public partial class _Default : System.Web.UI.Page
{
......
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set statistics io on
set statistics time on
set statistics profile on
go
[ÄãµÄsqlÓï¾ä]
go
set statistics io off
set statistics time off
set statistics profile off
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set statistics io on
set statistics time on
set statistics profile on ......
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select convert(varchar(10),getDate(),120)
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select convert(varchar(8),getDate(),8)
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²»´øÊÀ¼ÍÊýλ (yy)
´øÊÀ¼ÍÊýλ (yyyy)
±ê×¼
ÊäÈë ......
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select
emp_no,emp_name,dept,isnull(convert(char(10),birthday,120),'ÈÕÆÚ²»Ïê') birthday
from employee
order by dept
¡¡¡¡
2¡¢²éÕÒÓëÓ÷×ÔÇ¿ÔÚͬһ¸öµ¥Î»µÄÔ±¹¤ÐÕÃû¡¢ÐÔ±ð¡ ......