选择有最多学生注册的班级

Question

表的基本结构是

Student ( snum, sname, major, age, admission_date )

和

Class ( cname,snum meets_at, room, fid )

我们必须找到

选择有最多学生注册的班级。

Answer 1

这很简单

    Select cname,Count(snum) From
    Class 
    Group By cname
   Order by Count(snum) DESC LIMIT 1