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Physical Database Design

Physical Database Design
When storage space is scarce and physical records cannot span pages, creating multiple physical records from one logical relation will minimize wasted storage space.

True
False

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

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

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Physical Database Design
A pointer is a detailed coding scheme recognized by system software for representing organizational data.

False
True

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Physical Database Design
A secondary key is which of the following?

Nonunique key
Determines the tablespace required
Useful for denormalization decisions
Primary key

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Physical Database Design
Distributing the columns of a table into several separate physical records is known as horizontal partitioning.

False
True

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Physical Database Design
Denormalization and clustering can work well to minimize data access time for small records.

True
False

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