Question: Consider a relation R ( A , B , C , D ) . Which of the following relational schema is NOT in 3 N

Consider a relation R(A,B,C,D). Which of the following relational schema is NOT in 3NF(Third Normal Form)?
A.{ABBC,CD}
B.{ABCD,CB}
C.{CAB,BCD}
D.{ABCD,BD}
Consider a relation R(A,B,C,D). Which of the following relational schema is

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