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Physical Database Design

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

False
True

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Physical Database Design
A bitmap index is an index on columns from two or more tables that come from the same domain of values.

False
True

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Physical Database Design
If a denormalization situation exists with a one-to-one binary relationship, which of the following is true?

All fields are stored in four relations.
All fields are stored in two relations.
All fields are stored in one relation.
All fields are stored in three relations.

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Physical Database Design
Which of the following is not a factor to consider when switching from small to large block size?

The length of all of the fields in a table row
The number of columns
Random row access speed
Block contention

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

Impractical
Slow
Very fast
Moderately fast

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

False
True

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