Problem 18. MySQL Database and Query

SELECT
    tc.Name AS 'traning center',
    t.start_date AS 'start date',
    c.Name AS 'course name',
    c.description AS 'more info'
FROM training_centers tc
    JOIN timetable t
        ON tc.id = t.training_center_id
    JOIN courses c
        ON t.course_id = c.id
ORDER BY t.start_date, t.id