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5 Suppose that we have the following three tuples in a valid instance of a relation schema R with three attributes (A,B,C): (1,6,7), (4,6,7), and

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5 Suppose that we have the following three tuples in a valid instance of a relation schema R with three attributes (A,B,C): (1,6,7), (4,6,7), and (5,7,7). Specify whether each of the following FDs holds over R? (a) A-EB (b) BC- A (c) B C

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