Question

Relation R(A, B,

  • C has functional dependencies A→B and B→C, with A as the only candidate key. Is R in BCNF?
A Yes — every FD in R has a superkey on the left-hand side
B No — B→C violates BCNF
C No — R is not even in 1NF due to the transitive dependency
D Yes — BCNF only applies to relations with composite keys
E No — A→B violates BCNF because A determines only one attribute
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