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True or False
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1
Data modeling is a technique for organizing, documenting, and modeling functional requirements.
A)True
B)False
2
The data type of an attribute defines what values the attribute can legitimately take on.
A)True
B)False
3
An alternate key may serve as the primary key of an entity.
A)True
B)False
4
A candidate key may be a single attribute or a concatenated key.
A)True
B)False
5
A ternary relationship is a relationship among four or more entities.
A)True
B)False
6
A foreign key in a child entity may or may not match the primary key in the parent entity.
A)True
B)False
7
Identifying relationships are those in which each of the participating entities has its own independent primary key.
A)True
B)False
8
A many-to-many relationship is one in which many instances of one entity are associated with many instances of another entity.
A)True
B)False
9
An enterprise data model typically identifies only the most fundamental of entities.
A)True
B)False
10
A good data model has no redundancies.
A)True
B)False





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