统计品牌销量top10

基于手机销售新表，统计各手机品牌销量top10：Hql语句统计TopN并建表，表字段包含：手机品牌、销售量：

操作指令：

（1）create table iphone_sail_top10 row format delimited fields terminated by ',' as select brand,sum(sail_count) as scount from goods_sail_info group by brand sort by scount desc limit 10;

（2）desc iphone_sail_top10;

（3）select * from iphone_sail_top10;