如何分段取数据？

[sunhood]

先取1～N条，然后取N＋1～2N，然后再去2N＋1～3N。。。而且顺序仍然保持不变

[liangCK]

取n到m条记录的语句 

1. 
select top m * from tablename where id not in (select top n id from tablename) 

2. 
select top m * into 临时表(或表变量) from tablename order by columnname -- 将top m笔插入 
set rowcount n 
select * from 表变量 order by columnname desc 

3. 
select top n * from  
(select top m * from tablename order by columnname) a 
order by columnname desc 


4.如果tablename里没有其他identity列，那么： 
select identity(int) id0,* into #temp from tablename 

取n到m条的语句为： 
select * from #temp where id0 > =n and id0  <= m 

如果你在执行select identity(int) id0,* into #temp from tablename这条语句的时候报错,那是因为你的DB中间的select into/bulkcopy属性没有打开要先执行： 
exec sp_dboption 你的DB名字,'select into/bulkcopy',true 


5.如果表里有identity属性，那么简单： 
select * from tablename where identitycol between n and m  

[dawugui]

[Quote=引用楼主 sunhood 的帖子:]
先取1～N条，然后取N＋1～2N，然后再去2N＋1～3N。。。而且顺序仍然保持不变
[/Quote]
插入到一临时表.

select * , id = identity(int,1,1) into tmp from tb

1~N
select * from tmp where between 1 and N

N＋1～2N
select * from tmp where between N+1 and 2N
....

[-狙击手-]

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