题解 | 未下单用户统计
未下单用户统计
https://www.nowcoder.com/practice/3433aee5c7824255b2dd2879b30df090
select count(*) cnt from user_info u left join order_log o using (uid) where order_id is null
未下单用户统计
https://www.nowcoder.com/practice/3433aee5c7824255b2dd2879b30df090
select count(*) cnt from user_info u left join order_log o using (uid) where order_id is null
相关推荐