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ER Model and Business Rules - Technical MCQs

Q1:

Inheritance is which of the following?

A When a supertype entity inherits values of the subtype attribute

B When a subtype entity inherits values of the supertype attribute

C When a supertype entity inherits values of another supertype attribute

D When a subtype entity inherits values of another subtype attribute

ANS:B - When a subtype entity inherits values of the supertype attribute

No answer description is available