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Which of the following is valid? a . Each entity should represent a set of distinguishable entity instances. b . The ethnicity of the entity
Which of the following is valid? a Each entity should represent a set of distinguishable entity instances. b The ethnicity of the entity instance should be clearly defined. c Each entity should be atomic. d All entities should be in NF or higher. Any entities below NF should be justified.
Which of the following is valid?
a Each entity should represent a set of distinguishable entity instances.
b The ethnicity of the entity instance should be clearly defined.
c Each entity should be atomic.
d All entities should be in NF or higher. Any entities below NF should be justified.
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