AviaCo is an aircraft charter company that supplies on-demand charter flight services using a fleet of four aircraft.

For each table, identify the following when possible:

The primary key A super key A candidate key The foreign key A secondary key

Don't identify the definition .

CUSTOMER AIRCRAFT PILOT 1 CHAkTE 10001 sernte-1? 10003 ofreb-11 1001a berat 2 1004 1 sti 105 ante MODEL EMPLOYEE