Discussion :: Database System 2 - CS
- 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
Explanation :
Explanation Not Provided
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