Question 1
Two primary keys used together are called:
◦ Mega-primary keys
◦ Composite keys
◦ Logical keys
◦ Physical keys
Question 2
Which of the following is
not a function of a DBMS?
◦ Provide links between different files that are used together
◦ Coordinate multiuser database access
◦ Allow the storage, updating and retrieval of data in the database
◦ They are all functions of the DBMS.