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Physical Database Design

Physical Database Design
An extent is a contiguous section of disk storage space.

False
True

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Physical Database Design
Some advantages of partitioning include: efficiency, security, and load balancing.

True
False

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Physical Database Design
Selecting a data type involves which of the following?

All of these
Improve data integrity
Maximize storage space
Represent most values

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Physical Database Design
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.

False
True

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Physical Database Design
The primary goal of physical database design is data processing efficiency.

True
False

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Physical Database Design
Sequential retrieval on a primary key for sequential file storage has which of the following features?

Very fast
Impractical
Moderately fast
Slow

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