Given R(A1, A2, A3, A4) under F = {A1 → A2, A2 → A3}. A1 and A2 are superkeys. Is R in BCNF? Give the proof.
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Given R(A1, A2, A3, A4) under F = {A1 → A2, A2 → A3}. A1 and A2 are superkeys.
Is R in BCNF? Give the proof.
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