题解 | #统计10月每个退货率不大于0.5的商品各项指标#

-- 2021.10 有展示记录 退货率不大于0.5
select product_id,round(sum(if_click)/count(uid),3) ctr,
round(sum(if_cart)/sum(if_click),3) cart_rate,
round(sum(if_payment)/sum(if_cart),3) payment_rate,
round(sum(if_refund)/sum(if_payment),3) payment_rate
from tb_user_event
where substr(event_time,1,7) = '2021-10'
group by product_id
order by product_id ASC