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1. Consider the following relation r below. A B C D E a1 b Ci d ei a b2 c2 d2 d a2 b

1. Consider the following relation r below. A B C D E a1 b Ci d ei a b2 c2 d2 d a2 b c3 d3 e a2 b C4 d3 ei a3 b2 C5 d e Which of the following FDs does r satisfy? AD, ABD,CBDE, EA, A E

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