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(t1.sales_num * t2.goods_price ) as sales_total ,sum(t1.sales_num * t2.goods_price ) /count(distinct user_id ) as per_trans from sales_tb t1 left join goods_tb t2 on t1.goods_id = t2.goods_id
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