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Database · Q11

ER Model and Business Rules

Programming · Database · question 11

Q11

A subtype discriminator is which of the following?

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

Solution

Answer: Option A
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