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

A. True
B. False

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

A. True
B. False

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

A. True
B. False

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

A. True
B. False

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

A. True
B. False

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