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1) An attribute that can be calculated from related attribute values is called a ____ derived

____ attribute.

A) simple

B) composite

C) multivalued

D) derived

2) The number of entity types that participate in a Unary relationship is:

A) zero.

B) one.

C) two.

D) three.

3) A relationship where the minimum and maximum cardinality are both one is a(n)

________ relationship.

A) optional

B) unidirectional

C) mandatory link

D) mandatory one

4) The process of defining one or more subtypes of a supertype and forming relationships is

called:

A) specialization.

B) generalization.

C) creating discord.

D) selecting classes.

5) The ________ rule states that an entity instance can be a member of only one subtype.

A) disjoint

B) overlap

C) partial specialization

D) total specialization