oracle 如何在group by 的语句中使用rownum,实现分页

贴出来一个demo供大家参考

SELECT rownum, a.* from(
select shopid as shopId,shopname as shopName,sum(orderqty) as orderNum from pmadw.dm_order_info 
where  
orderdate >= to_date('2016-05-06', 'yyyy-MM-dd') 
and orderdate <= to_date('2016-05-13', 'yyyy-MM-dd')
GROUP BY shopId,shopName ORDER BY SHOPID


) a   where 
rownum < 11

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