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 desc3. 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
只用一个select的情况下 1.请问mssql2005支持 rownum吗 支持.不过名字叫ROW_NUMBERselect 除了ID字段 from ( select * , id = ROW_NUMBER() OVER(ORDER BY 某个字段) from tb ) t where id between 10 and 202.不用虚拟表可以实现去除当中的一段数据吗 ????
2.不用虚拟表可以实现去除当中的一段数据吗 update tb set col = replace(col , '字符串1' , '字符串2')
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 desc3.
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
1.请问mssql2005支持 rownum吗
支持.不过名字叫ROW_NUMBERselect 除了ID字段 from
(
select * , id = ROW_NUMBER() OVER(ORDER BY 某个字段) from tb
) t
where id between 10 and 202.不用虚拟表可以实现去除当中的一段数据吗
????
update tb set col = replace(col , '字符串1' , '字符串2')