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1) Consider the relation R(A,B,C,D,E,F) with FD's: CDE B ACD F BD a) Show that ACED is a superkey using Armstrong's Axioms. b) Is ACED

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1) Consider the relation R(A,B,C,D,E,F) with FD's: CDE B ACD F BD a) Show that ACED is a superkey using Armstrong's Axioms. b) Is ACED a candidate key why/why not? explain

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