Logical Database Design
When mapping a supertype/subtype relationship which of the following is true?

The subtype primary key is assigned to each supertype.
The supertype primary key is assigned to each subtype.
There is no link between the supertype/subtype entities.
There is no primary key/foreign key relationship between a supertype/subtype.

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Logical Database Design
A transitive dependency is which of the following?

A functional dependency between two or more nonkey attributes.
A relation that is in first normal form.
A relation that is in second normal form.
A functional dependency between two or more key attributes.

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