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
SELECT
SUM(st.sales_num * gt.goods_price) sales_total,
SUM(st.sales_num * gt.goods_price)/COUNT(DISTINCT user_id) per_trans
FROM sales_tb st
JOIN goods_tb gt ON st.goods_id = gt.goods_id


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