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14 marks! Consider a relation schema N R, F) where R-A, B, C} . Suppose we find the following two tuples in an instance of
14 marks! Consider a relation schema N R, F) where R-A, B, C} . Suppose we find the following two tuples in an instance of this relation schema. a) A BC Which of the following functional dependencies do definitely not hold over the relation schema N? Justify your answer. I) C A 2) A->C 3) B-A 4) B-C
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