Multiple Choice
The process of defining a more general entity type from a set of more specialized entity types is called:
A) generalization.
B) specialization.
C) normalization.
D) extrapolation.
Correct Answer:
Verified
Correct Answer:
Verified
Q11: The _ rule states that an entity
Q12: A member of a subtype does NOT
Q13: The following figure shows a: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB7381/.jpg"
Q14: An entity cluster is:<br>A) a formal method
Q15: In packaged data models, strong entities always
Q17: Describe how subtype discriminators are used when
Q18: Discuss the reasoning behind using supertype/subtype relationships.
Q19: The subtype discriminator is a composite attribute
Q20: Packaged data models use an entity type
Q21: Supertype/subtype relationships should not be used when