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Command SQLtest.online
Find the distribution of flights between Moscow and St. Petersburg by day of the week. Display the result in three columns: day_of_week - day of the week in English (Sunday - Saturday), flights - number of flights on this day according to the schedule (scheduled_arrival), passengers - number of passengers according to the boarding_passes table. Sort the table by day of the week from Monday to Sunday.
Use PostgreSQL syntax to write your answer. Descriptions of tables are provided in the right pane.
Write your request in the field below and click the "Check it!" button.ER diagram of the Bookings database
aircraft_code | model | range | |
---|---|---|---|
1 | 773 | {"en": "Boeing 777-300", "ru": "Боинг 777-300"} | 11100 |
airport_code | airport_name | city | coordinates | timezone | |
---|---|---|---|---|---|
1 | YKS | {"en": "Yakutsk Airport", "ru": "Якутск"} | {"en": "Yakutsk", "ru": "Якутск"} | (129.77099609375,62.0932998657227) | Asia/Yakutsk |
ticket_no | flight_id | boarding_no | seat_no | |
---|---|---|---|---|
1 | 0005435212351 | 30625 | 1 | 2D |
book_ref | book_date | total_amount | |
---|---|---|---|
1 | 00000F | 2017-07-05 00:12:00+00 | 265700.00 |
flight_id | flight_no | scheduled_departure | scheduled_arrival | departure_airport | arrival_airport | status | aircraft_code | actual_departure | actual_arrival | |
---|---|---|---|---|---|---|---|---|---|---|
1 | 1185 | PG0134 | 2017-09-10 06:50:00+00 | 2017-09-10 11:55:00+00 | DME | BTK | Scheduled | 319 |
aircraft_code | seat_no | fare_conditions | |
---|---|---|---|
1 | 319 | 2A | Business |
ticket_no | flight_id | fare_conditions | amount | |
---|---|---|---|---|
1 | 0005432159776 | 30625 | Business | 42100.00 |
ticket_no | book_ref | passenger_id | passenger_name | contact_data | |
---|---|---|---|---|---|
1 | 0005432000987 | 06B046 | 8149 604011 | VALERIY TIKHONOV | {"phone": "+70127117011"} |