ฉันต้องการข้อมูลเกี่ยวกับเที่ยวบินจาก KANSAS CITY MISSOURI ไปยัง SALT LAKE CITY UTAH ฉันสนใจเฉพาะเที่ยวบินเหล่านั้นใน DL ไม่จำเป็นต้องใช้ตารางทั้งหมด
i need information on flights from KANSAS CITY MISSOURI to SALT LAKE CITY UTAH i am interested in only those flights on DLIt is not neccessary to use all the tables.
 airport_service:  city_code [ varchar]  airport_code [ varchar]  miles_distant [ int]  direction [ varchar]  minutes_distant [ int] 
SELECT DISTINCT flight.flight_id FROM airport_service AS AIRPORT_SERVICE_0, airport_service AS AIRPORT_SERVICE_1, city AS CITY_0, city AS CITY_1, flight, state AS STATE_0, state AS STATE_1 WHERE (CITY_0.city_code = AIRPORT_SERVICE_0.city_code AND CITY_0.city_name = 'KANSAS CITY' AND CITY_1.city_code = AIRPORT_SERVICE_1.city_code AND CITY_1.city_name = 'SALT LAKE CITY' AND flight.from_airport = AIRPORT_SERVICE_0.airport_code AND flight.to_airport = AIRPORT_SERVICE_1.airport_code AND STATE_0.state_code = CITY_0.state_code AND STATE_0.state_name = 'MISSOURI' AND STATE_1.state_code = CITY_1.state_code AND STATE_1.state_name = 'UTAH') AND flight.airline_code = 'DL'