Multiple choice

Which of the following terms in a relation is a form of abstraction that specifies that two or more entities that share common attributes can be generalized into a higher level entity type called a supertype or generic entity?

  1. Existence

  2. Direction

  3. Generalization hierarchy

  4. Cardinality

  5. Degree
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C Correct answer
Explanation

This term in a relation is a form of abstraction that specifies that two or more entities that share common attributes can be generalized into a higher level entity type called a supertype or generic entity.

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