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Data Models into Database Designs

Data Models into Database Designs
For every relationship, there are six possible sets of minimum cardinalities.

True
False

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Data Models into Database Designs
Which of the following situation requires the use of ID-dependent entities?

Multivalued attributes only
All of these
Archetype/instance relationships only
Association relationships only

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Data Models into Database Designs
Which of the following columns is(are) are required in a table?

A foreign key
An alternate key
A primary key
A surrogate key

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Data Models into Database Designs
(STREET ADDRESS, CITY, STATE, ZIP) is an ideal primary key.

True
False

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Data Models into Database Designs
The terms alternate key and candidate key mean the same thing.

False
True

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Data Models into Database Designs
In 1:N relationships, which entity becomes the parent entity is arbitrary.

False
True

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