1 select d**tinct 学生,count(课程id) from 课程表 group by 学生 order by 2 desc2 select bb.系名 from 系表 bb left join 学生表 cc on bb.学号 = cc.学号 left join (select 学生,min(count(学生)) from 课程...
**税制 chinese tax system税收筹划 tax planning外国税制(双语)foreign tax system (dual language)财政学 cameral**tics公共部门经济学(双语)economics of the public sector (dual language)国际税收 international taxation**预算 state budget...