In a _____ a parent record type can be linked to one or more "child" record types, but a child record type can have only one parent.

A report generator is used to

A. update files

B. print files on paper

C. data entry

D. All of the above

E. None of the above

Which of the following is not a logical data-base structure?

A. tree

B. relational

C. network

D. chain

E. All of the above

Which of the following is a database administrator's function?

A. database design

B. backing up the database

C. performance monitoring

D. user coordination

E. All of the above

Primitive operations common to all record management systems include

A. Print

B. Sort

C. Look-up

D. All of the above

E. None of the above