select id = identity(int,1,1),* into #tmp from table select * from #tmp drop table #tmp SELECT id,ROW_NUMBER() OVER (order by id)as RowNumber FROM Table第一种:使用identity函数增加临时表的方法 select id = identity(int,1,1),* into #tmp from table select * from #tmp drop table #tmp 在SQL2005中新增了ROW_NUMBER()函数,给我们带来了很多方便,使用方法如下: SELECT id,ROW_NUMBER() OVER (order by id)as RowNumber FROM Table 有一个方便,as后的别名可以在语句后面作为条件单独使用.
select id = identity(int,1,1),* into #tmp from table select * from #tmp drop table #tmp SELECT id,ROW_NUMBER() OVER (order by id)as RowNumber FROM Table转载于:https://www.cnblogs.com/VinC/archive/2008/06/25/1991077.html
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