QUESTION:
“How does categorization differ from specialization”?
ANSWER:
There is only one superclass and one or more subclasses in a specialization, while a categorization has only one subclass and one or more superclasses.
QUESTION: “What is the difference between a specialization hierarchy and a specialization lattice?”
QUESTION: “In categorization, what is meant by the property of selective type inheritance?”
QUESTION: What is the relationship type? How does a relationship type differ from a relationship instance?
QUESTION: “What is a candidate key? How does a candidate key differ from a superkey?”
Responses