Cancellation rate of a trips app using SQL | SQL Joins based scenario question

 DML Script:


DROP TABLE IF EXISTS Trips;

DROP TABLE IF EXISTS Users;

Create table Trips (id int, client_id int, driver_id int, city_id int, status varchar(50), request_at varchar(50))

Create table Users (users_id int, banned varchar(50), role varchar(50))

 

insert into Trips (id, client_id, driver_id, city_id, status, request_at) values ('1', '1', '10', '1', 'completed', '2013-10-01')

insert into Trips (id, client_id, driver_id, city_id, status, request_at) values ('2', '2', '11', '1', 'cancelled_by_driver', '2013-10-01')

insert into Trips (id, client_id, driver_id, city_id, status, request_at) values ('3', '3', '12', '6', 'completed', '2013-10-01')

insert into Trips (id, client_id, driver_id, city_id, status, request_at) values ('4', '4', '13', '6', 'cancelled_by_client', '2013-10-01')

insert into Trips (id, client_id, driver_id, city_id, status, request_at) values ('5', '1', '10', '1', 'completed', '2013-10-02')

insert into Trips (id, client_id, driver_id, city_id, status, request_at) values ('6', '2', '11', '6', 'completed', '2013-10-02')

insert into Trips (id, client_id, driver_id, city_id, status, request_at) values ('7', '3', '12', '6', 'completed', '2013-10-02')

insert into Trips (id, client_id, driver_id, city_id, status, request_at) values ('8', '2', '12', '12', 'completed', '2013-10-03')

insert into Trips (id, client_id, driver_id, city_id, status, request_at) values ('9', '3', '10', '12', 'completed', '2013-10-03')

insert into Trips (id, client_id, driver_id, city_id, status, request_at) values ('10', '4', '13', '12', 'cancelled_by_driver', '2013-10-03')

 

insert into Users (users_id, banned, role) values ('1', 'No', 'client')

insert into Users (users_id, banned, role) values ('2', 'Yes', 'client')

insert into Users (users_id, banned, role) values ('3', 'No', 'client')

insert into Users (users_id, banned, role) values ('4', 'No', 'client')

insert into Users (users_id, banned, role) values ('10', 'No', 'driver')

insert into Users (users_id, banned, role) values ('11', 'No', 'driver')

insert into Users (users_id, banned, role) values ('12', 'No', 'driver')

insert into Users (users_id, banned, role) values ('13', 'No', 'driver')



SELECT * FROM Trips

SELECT * FROM Users

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