| CREATE TABLE 'airlines' ( | |
| uid INTEGER PRIMARY KEY, | |
| Airline TEXT, | |
| Abbreviation TEXT, | |
| Country TEXT | |
| ); | |
| CREATE TABLE 'airports' ( | |
| City TEXT, | |
| AirportCode TEXT PRIMARY KEY, | |
| AirportName TEXT, | |
| Country TEXT, | |
| CountryAbbrev TEXT | |
| ); | |
| CREATE TABLE 'flights' ( | |
| Airline INTEGER, | |
| FlightNo INTEGER, | |
| SourceAirport TEXT, | |
| DestAirport TEXT, | |
| PRIMARY KEY(Airline, FlightNo), | |
| FOREIGN KEY (SourceAirport) REFERENCES airports(AirportCode), | |
| FOREIGN KEY (DestAirport) REFERENCES airports(AirportCode) | |
| ); | |