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

A. True
B. False

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

A. True
B. False

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

A. True
B. False

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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

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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

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