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Physical Database Design

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
The three newest database architectures in use today are relational, multidimensional and hierarchical.

True
False

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Physical Database Design
Which of the following is an advantage of partitioning?

Extra space
Security
Complexity
Inconsistent access speed

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

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

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

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

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