select c.name as name ,des.sumStudnet as sumStudent from (select c.name as name ,des.sumStudnet as sumStude
阅读背景：
用一条sql,查询显示出人数最多的前5个班级的名称和人数。
来源：互联网
select c.name as name ,des.sumStudnet as sumStudent from (select c.name as name ,des.sumStudnet as sumStude
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