แสดงเที่ยวบินตรงจากโตรอนโตไปเซนต์ปีเตอร์สเบิร์ก PETERSBURGIไม่จำเป็นต้องใช้ตารางทั้งหมด
show me the nonstop flights from TORONTO to ST. PETERSBURGIt is not neccessary to use all the tables.
 flight_fare:  flight_id [ int]  fare_id [ 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 WHERE (CITY_0.city_code = AIRPORT_SERVICE_0.city_code AND CITY_0.city_name = 'TORONTO' AND CITY_1.city_code = AIRPORT_SERVICE_1.city_code AND CITY_1.city_name = 'ST. PETERSBURG' AND flight.from_airport = AIRPORT_SERVICE_0.airport_code AND flight.to_airport = AIRPORT_SERVICE_1.airport_code) AND flight.stops = 0