VALUE(CONNECTIONID) LIKE BAPISFLKEY-CONNECTID
VALUE(AIRLINEID) LIKE BAPISFLKEY-AIRLINEID
VALUE(FLIGHTDATE) LIKE BAPISFLKEY-FLIGHTDATE
VALUE(AIRLINE) LIKE BAPISFLKEY-AIRLINEID OPTIONAL
REFERENCE(FLID) LIKE BAPISFLKEY-AIRLINEID
VALUE(FLIGHT_KEY) TYPE BAPISFLKEY