select product_id, round(sum(if_click)/count(if_click), 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) refund_rate from tb_user_event where substring(event_time, 1...