题解 | #某宝店铺折扣率#
某宝店铺折扣率
http://www.nowcoder.com/practice/3a56f160308441f5a79d8ac8d953e5e7
select round((sum(sales_price)/sum(tag_price*sales_num))*100,2) as 折扣率
from
product_tb join sales_tb on product_tb.item_id = sales_tb.item_id
某宝店铺折扣率
http://www.nowcoder.com/practice/3a56f160308441f5a79d8ac8d953e5e7
select round((sum(sales_price)/sum(tag_price*sales_num))*100,2) as 折扣率
from
product_tb join sales_tb on product_tb.item_id = sales_tb.item_id
相关推荐