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Physical Database Design

Physical Database Design
A field represents each component of a composite attribute.

False
True

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

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

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

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

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Physical Database Design
The fastest read/write time and most efficient data storage of any disk array type is:

RAID-3
RAID-2
RAID-0
RAID-1

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Physical Database Design
Two basic constructs to link one piece of data with another piece of data: sequential storage and pointers.

False
True

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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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