แสดงเที่ยวบินจากนิวยอร์กไปไมอามี่ ไม่จำเป็นต้องใช้ตารางทั้งหมด
show me flights from NEW YORK to MIAMIIt is not neccessary to use all the tables.
 time_interval:  period [ text]  begin_time [ int]  end_time [ 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 = 'NEW YORK' AND CITY_1.city_code = AIRPORT_SERVICE_1.city_code AND CITY_1.city_name = 'MIAMI' AND flight.from_airport = AIRPORT_SERVICE_0.airport_code AND flight.to_airport = AIRPORT_SERVICE_1.airport_code