

ER Model and Business Rules - Technical MCQs
Q1: 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
ANS:A - An attribute of the supertype whose values determine the subtype No answer description is available. |


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