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Consider a relation R(A, B, C, D, E, F) in 1NF where the following functional dependencies hold: {B, C} + {E} {E} + {A} {A}

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Consider a relation R(A, B, C, D, E, F) in 1NF where the following functional dependencies hold: {B, C} + {E} {E} + {A} {A} {D, F} Which of the following are candidate keys? Select one or more alternatives: There are no candidate keys. {B, C} O {A, B} {A, B, D, F} {C}

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