http://expert.csdn.net/Expert/topic/2437/2437014.xml?temp=.67857
交流]自增号查询时加序号:
a:没有主键的情形:
Select identity(int,1,1) as iid,* into #tmp from TableName
Select * from #tmp
Drop table #tmp
b:有主键的情形:
Select (Select sum(1) from TableName where KeyField <= a.KeyField) as iid,* from TableName a
交流]自增号查询时加序号:
a:没有主键的情形:
Select identity(int,1,1) as iid,* into #tmp from TableName
Select * from #tmp
Drop table #tmp
b:有主键的情形:
Select (Select sum(1) from TableName where KeyField <= a.KeyField) as iid,* from TableName a
select * from #temp