以下是引用xinzheng在2007-8-21 18:29:27的发言：
你在完整表的前面加一列id，id列为从1开始的数字
id
1
2
3
4
5
6
然后查询
select id,tm into #1 from aa
select id,zz into #2 from aa
select id,dw into #3 from aa
select a.tm,b.zz,c.dw into #4 from #1 a,#2 b,#3 c where a.id=b.id-1 and a.id=c.id-2
select * from #4 where tm<>''
drop table #1
drop table #2
drop table #3
drop table #4