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The similarities between the entity set can be expressed by which of the following features?

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The similarities between the entity set can be expressed by which of the following features?

(a) Specialization

(b) Generalization

(c) Uniquation

(d) Inheritance

This question was posed to me in class test.

My enquiry is from Extended E-R Features topic in division Database Design and the ER Model of RDBMS

1 Answer

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Best answer
Correct choice is (b) Generalization

Explanation: The similarities between the entity set can be expressed by the generalization feature. It is a containment o the relationship that exists between a higher level entity set and one or more lower level entity sets.

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