题解 | 淘宝店铺的实际销售额与客单价
淘宝店铺的实际销售额与客单价
https://www.nowcoder.com/practice/ce116419a1f141568094b5eab70e5ce8
with t1 as ( select user_id, sales_num * goods_price sales from sales_tb s left join goods_tb g on s.goods_id = g.goods_id ) select round(sum(sales), 3) sales_total, round(sum(sales) / count(distinct user_id), 3) per_trans from t1