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--ºÏ²¢ÐУ¬²¢·µ»ØºÏ²¢µÄÖµ
Create proc [dbo].[proUniteRow]
@tab varchar(30), --±íÃû
@col varchar(30), --ºÏ²¢µÄÁÐÃû
@where varchar(2000), --ºÏ²¢µÄÌõ¼þ
@firstSplit varchar(100), --Á¬½Ó×Ö·ûǰ׺
@lastSplit varchar(100), --Á¬½Ó×Ö·ûºó׺
@order varchar(100), --ÅÅÐò
@val nvarchar(2000)='' output –·µ»ØÖµ
as
begin
declare @sql nvarchar(2000)
set @sql='
declare @retStr varchar(2000)
set @retStr=''''
declare cur cursor
read_only
for select
'+@col+' from '+@tab
if len(@where)>0
set @sql=@sql+' where '+@where
if len(@order)>0
set @sql=@sql+' order by '+@order
set @sql=@sql+'
declare @str varchar(2000)
open cur
fetch next from cur into @str
while (@@fetch_status =0)
begin
set @retStr=@retStr+'''+@firstSplit+'''+@str+'''+@lastSplit+'''
fetch next from cur into @str
end
close cur
deallocate cur
if len(@retStr)>0
set @strEnd=substring(@retStr,1,len(@retStr)-1)
'
exec sp_executesql @sql,N'@strEnd nvarchar(2000) output',@val output
end
Ö´ÐУº
±ípro_lbsxb:
ID lbsx_value lbsx_isList lbsx_order
1 A 1 1
2 B 1 2
3 C 1 3
4 D &
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Student(S#,Sname,Sage,Ssex) ѧÉú±í
Course(C#,Cname,T#) ¿Î³Ì±í
SC(S#,C#,score) ³É¼¨±í
Teacher(T#,Tname) ½Ìʦ±í
ÎÊÌ⣺
1¡¢²éѯ“001”¿Î³Ì±È“002”¿Î³Ì³É¼¨¸ßµÄËùÓÐѧÉúµÄѧºÅ£»
select a.S# from (select s#,score from SC where C#='001') a,(select s#,score
fr ......
×·¼Ó£ºrow_number, rank, dese_rank, ntile
1. row_number: Ϊ²éѯ³öÀ´µÄÿһÐмǼÉú³ÉÒ»¸öÐòºÅ¡£
SELECT row_number() OVER(ORDER BY field) AS row_n
from tablename;
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with t_towtable
as (select row_number over(order by field1) as row_number from tb)
select * from t_rowtable where row_numbe ......
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2006-4-5 19:50:00
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