BUG还得自己改啦。。。
1.
select top (m-n) * 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) 临时表
order by columnname desc
4.如果tablename里没有其他identity列,那么:
select identity(int) id0,* into 临时表 from tablename
取n到m条的语句为:
select * from 临时表 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 (如果中间有删除的值呢?)
比如一个表有100条记录怎么取其中的第30至第40条记录??
select top 10 * from (selet top 40 * from table) 临时表 order by id desc (有问题。。。)
-------------------------------------------------------------------------------------------------------------------------------------
SELECT a.au_fname+a.au_lname
FROM authors a,titleauthor ta
(SELECT title_id,title
FROM titles
WHERE ytd_sales>10000
) AS t
WHERE a.au_id=ta.au_id
AND ta.title_id=t.title_id
显示每个地区的总人口数和总面积.仅显示那些面积超过1000000的地区。
SELECT region, SUM(population), SUM(area)
FROM bbc
GROUP BY region
HAVING SUM(area)>1000000