题解 | 统计各等级会员用户下订单总额
统计各等级会员用户下订单总额
https://www.nowcoder.com/practice/48dd35a3dd8c4e1494db36b097a03300
select uservip_tb.vip,COALESCE(sum(order_tb .order_price),0) as order_total
from order_tb right join uservip_tb on order_tb .user_id=uservip_tb .user_id
group by uservip_tb.vip
order by order_total desc;