取n到m行1. select top m * from tablename where id not in (select top n id from tablename order by id asc/*|desc*/) 2. select top m * into 临时表(或表变量) from tablename order by columnname -- 将top m笔插入到临时表 set rowcount n --只取n条结果 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: 先生成一个序列,存储在一临时表中. 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 identity_col between n and m 6.SQL2005开始.可以使用row_number() over()生成行号 ;with cte as ( select id0=row_number() over(order by id),* from tablename ) select * from cte where id0 between n to m
select * from ( select *,id=row_number() over (order by getdate()) from tb) t where id between 1 and 1000
有10000条数据 第一次取前1000条 第二次取第1000-2000条 第三次取第2000-3000条一直到取完为止 请问如何实现? 1.select top 1000 * from(select top 10000 * from 表) a order by 字段
2. select top 2000 * from (select top 10000 * from 表) 3. select top 3000 * from (select top 10000 * from 表) a where 字段 not in select top 2000 字段 (select top 10000 * from 表)
--取2000-3000 select top 1000 * from tb where id not in (select top 2000 id from tb)
--取2000-3000 select top 1000 * from tb where id not in (select top 2000 id from tb)
習慣于 select top n * from (select top m * from tablename order by columnname) a order by columnname desc
declare @n int set @n=1000 while @n<=10000 begin if (@n<2000) begin select top 1000 * from tb set @n=@n+1000 end else begin select top 1000 * from tb where ID not in (select top (@n-1000) id from tb) set @n=@n+1000 end end
declare @i int set @i=1 while(i<10) begin select top 1000*@i * from tablename end
select top m * from tablename where id not in (select top n id from tablename order by id asc/*|desc*/) 2.
select top m * into 临时表(或表变量) from tablename order by columnname -- 将top m笔插入到临时表
set rowcount n --只取n条结果
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:
先生成一个序列,存储在一临时表中.
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 identity_col between n and m 6.SQL2005开始.可以使用row_number() over()生成行号
;with cte as
(
select id0=row_number() over(order by id),* from tablename
)
select * from cte where id0 between n to m
from (
select *,id=row_number() over (order by getdate())
from tb) t
where id between 1 and 1000
2. select top 2000 * from (select top 10000 * from 表)
3. select top 3000 * from (select top 10000 * from 表) a where 字段 not in
select top 2000 字段 (select top 10000 * from 表)
select top 1000 *
from tb
where id not in (select top 2000 id from tb)
select top 1000 *
from tb
where id not in (select top 2000 id from tb)
習慣于
select top n * from
(select top m * from tablename order by columnname) a
order by columnname desc
set @n=1000
while @n<=10000
begin
if (@n<2000)
begin
select top 1000 * from tb
set @n=@n+1000
end
else
begin
select top 1000 *
from tb
where ID not in (select top (@n-1000) id from tb)
set @n=@n+1000
end
end
set @i=1
while(i<10)
begin
select top 1000*@i * from tablename
end