6. A conceptual schema is usually depicted in graphical format using E-R or object-modeling notations.

A. True
B. False

7. The physical database design identifies data integrity and security requirements.

A. True
B. False

8. The longest step of database development is database maintenance.

A. True
B. False

9. Incremental commitment does not allow a project to be easily redirected or to be terminated.

A. True
B. False

10. There are three stages involved when analyzing the initiation of an information systems project.

A. True
B. False