您好:
语句如下,请自行测试。。。
SELECT TOP 1 城市,COUNT(*) AS c
FROM 学生表
GROUP BY 城市
ORDER BY c DESC
create procedure pro_author(@author char(20))
as
select *
from 表名
where author=@author
order by 所在城市 asc,作者编号 desc
declare @writer char(20)
set @writer='作者姓名'
exec pro_author @writer