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LOGICAL DATABASE DESIGN

Logical Database Design
Well-structured relations encourage anomalies of data.

False
True

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Logical Database Design
A foreign key may be null and still adhere to the referential integrity constraint.

False
True

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Logical Database Design
If a relation is in third normal form, it does not need to be in second normal form.

True
False

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Logical Database Design
The primary key of the new relation in a many-to-many relationship is a composite key comprised of the primary keys of each of the binary entities.

True
False

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