Flights schema/database: Please create a join that gives all information in routes available in the database (by combining routes, airports and airlines). Note that this will need to join airports TWICE as there are two airports per flight. ( using sql.92 syntax join)

fk airline (fk) country region airline_id_iata radio_callsign country airline_name iso_code country_name iso_code country_code airport (fk icao_identifier airport_typeairport_ name latitude longitude elevation region municipality (fk) (fk) (fk) route airline_id_iata departure_airport_icao arrival_airport_icao codeshare stops K) runway equipment airport_icao end_one_identifier length_ft lighted airline_id dep_airport arr_airport aircraft_type