Examveda
Examveda

A subtype discriminator is which of the following?

A. An attribute of the supertype whose values determine the subtype

B. An attribute of the subtype whose values determine the supertype

C. An attribute of the supertype whose values determine the supertype

D. An attribute of the subtype whose values determine the subtype

Answer: Option A

Join The Discussion

Related Questions on ER Model and Business Rules