Every time attribute A appears, it is matched with the same value of attribute B, but not the same value of attribute C. Therefore, it is true that:
Every time attribute A appears, it is matched with the same value of attribute B, but not the same value of attribute C. Therefore, it is true that: Correct Answer A -> B
Transitivity rule: Same as transitive rule in algebra, if a -> b holds and b -> c holds then a -> c also hold. a -> b is called as a functionally determines b.
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Feb 20, 2025