LeetCode-SQL-262. 行程和用户

https://leetcode-cn.com/problems/trips-and-users/

SELECT T.request_at AS `Day`, 
	ROUND(
			SUM(
				IF(T.STATUS = 'completed',0,1)
			)
			/ 
			COUNT(T.STATUS),
			2
	) AS `Cancellation Rate`
FROM Trips AS T
JOIN Users AS U1 ON (T.client_id = U1.users_id AND U1.banned ='No')
JOIN Users AS U2 ON (T.driver_id = U2.users_id AND U2.banned ='No')
WHERE T.request_at BETWEEN '2013-10-01' AND '2013-10-03'
GROUP BY T.request_at

SELECT T.request_at AS `Day`, 
	ROUND(
			SUM(
				IF(T.STATUS = 'completed',0,1)
			)
			/ 
			COUNT(T.STATUS),
			2
	) AS `Cancellation Rate`
FROM trips AS T
WHERE 
T.Client_Id NOT IN (
	SELECT users_id
	FROM users
	WHERE banned = 'Yes'
)
AND
T.Driver_Id NOT IN (
	SELECT users_id
	FROM users
	WHERE banned = 'Yes'
)
AND T.request_at BETWEEN '2013-10-01' AND '2013-10-03'
GROUP BY T.request_at