R(A, B, with productions {A –>B, B –> A, AB –> C }
A. 1, 2 and 3 are in 3NF and 4 is in BCNF
B. 1 and 2 are in BCNF and 3 and 4 are in 3NF
C. All are in 3NF
D. All are in BCNF
Answer:A
R(A, B, with productions {A –>B, B –> A, AB –> C }
A. 1, 2 and 3 are in 3NF and 4 is in BCNF B. 1 and 2 are in BCNF and 3 and 4 are in 3NF C. All are in 3NF D. All are in BCNF