题解 | 未下单用户登陆渠道统计
未下单用户登陆渠道统计
https://www.nowcoder.com/practice/5090553d7854458987997a5c91c30975
select channel, count(channel) cnt from order_log o right join user_info u on o.uid = u.uid where product_id is null group by channel order by cnt desc,channel limit 1

美的集团公司福利 798人发布