เที่ยวบินจาก OAK ถึง SFO เมื่อวันที่ 1 21 1992 ไม่จำเป็นต้องใช้ตารางทั้งหมด
flights from OAK to SFO on 1 21 1992It is not neccessary to use all the tables.
 flight_stop:  flight_id [ int]  stop_number [ int]  stop_days [ text]  stop_airport [ text]  arrival_time [ int]  arrival_airline [ text]  arrival_flight_number [ int]  departure_time [ int]  departure_airline [ text]  departure_flight_number [ int]  stop_time [ int] 
SELECT DISTINCT flight.flight_id FROM airport AS AIRPORT_0, airport AS AIRPORT_1, airport_service AS AIRPORT_SERVICE_0, airport_service AS AIRPORT_SERVICE_1, city AS CITY_0, city AS CITY_1, date_day, days, flight WHERE (((AIRPORT_1.airport_code = 'SFO' AND date_day.day_number = 21 AND date_day.month_number = 1 AND date_day.year = 1992 AND days.day_name = date_day.day_name AND flight.flight_days = days.days_code AND flight.to_airport = AIRPORT_1.airport_code) AND CITY_1.city_code = AIRPORT_SERVICE_1.city_code AND CITY_1.city_name = 'SAN FRANCISCO' AND flight.to_airport = AIRPORT_SERVICE_1.airport_code) AND AIRPORT_0.airport_code = 'OAK' AND flight.from_airport = AIRPORT_0.airport_code) AND CITY_0.city_code = AIRPORT_SERVICE_0.city_code AND CITY_0.city_name = 'OAKLAND' AND flight.from_airport = AIRPORT_SERVICE_0.airport_code