题解 | 下单最多的商品
下单最多的商品
https://www.nowcoder.com/practice/d7c93e3a3d5b4087896539121d32d367
select u.product_id,count(distinct uid) cnt from user_client_log u join product_info p on u.product_id = p.product_id where step = "order" group by product_id order by product_id limit 1
投递字节跳动等公司7个岗位
