When mapping a supertype/subtype relationship which of the following is true?

Question - When mapping a supertype/subtype relationship which of the following is true?

Options:

A . The subtype primary key is assigned to each supertype.

B . There is no primary key/foreign key relationship between a supertype/subtype.

C . There is no link between the supertype/subtype entities.

D . The supertype primary key is assigned to each subtype.

Answer: Option D

Submit Your Solution Below and Earn Points !

Next Question