Database: flight_1_total_0
Tables: flight; employee_certificate_aircraft
Columns (table index, column name): -1; *; 0; flno; 0; origin; 0; destination; 0; distance; 0; departure date; 0; arrival date; 0; price; 0; aid; 1; name aircraft; 1; distance; 1; name employee certificate; 1; salary; 1; eid; 1; aid