Question: Given R(A 1 , A 2 , A 3 , A 4 ) under F = {A 1 A 2 , A 2

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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