Physical Database Design
Which of the following improves a query's processing time?

Combine a table with itself.
Use compatible data types.
Write complex queries.
Query one query within another.

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

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

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Physical Database Design
The blocking factor is:

attributes grouped together by the same primary key.
a group of fields stored in adjacent memory.
the number of physical records per page.
attributes grouped together by the same secondary key.

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