摘要：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,... 阅读全文

摘要：DECLARE @CursorName CURSOR FOR --定义游标 SELECT ...--指向一个结果集 OPEN @CursorName --打开游标 FETCH NEXT FROM @CursorName into @var1,@var2 --取第一行数据 WHILE @@FETCH_ST... 阅读全文