11. An extent is a contiguous section of disk storage space.

A. True
B. False


Correct Answer:  A. True

12. The three newest database architectures in use today are relational, multidimensional and hierarchical.

A. True
B. False


Correct Answer:  B. False

13. Data-volume and frequency-of-use statistics are not critical inputs to the physical database design process.

A. True
B. False


Correct Answer:  B. False

14. In general, larger block sizes are used for online transaction processing applications and smaller block sizes are used for databases with a decision support or data warehousing system.

A. True
B. False


Correct Answer:  B. False

15. It is usually not very important to design the physical database to minimize the time required by users to interact with the information systems.

A. True
B. False


Correct Answer:  B. False

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