SELECT product_id, IF(COUNT(if_click = 1 OR NULL) = 0, 0.000, ROUND(COUNT(if_click = 1 OR NULL) /COUNT(*), 3)) AS ctr, IF(COUNT(if_cart = 1 OR NULL) = 0, 0.000, ROUND(COUNT(if_cart = 1 OR NULL) /COUNT(if_click = 1 OR NULL), 3)) AS cart_rate, IF(COUNT(if_payment = 1 OR NULL) = 0, 0.000, ROUND(COUNT(i...