The relation R(ABCD) has following FDs:
{ A -> B ; B -> A ; A -> D ; D -> B }
a. R is in 3NF
b. R is not in 3NF
c. R is not in 2NF
d. None of the others
Answer: A
The relation R(ABCD) has following FDs: { A -> B ; B -> A ; A -> D ; D -> B }
The relation R(ABCD) has following FDs:
a. R is in 3NF
b. R is not in 3NF
c. R is not in 2NF
d. None of the others
Answer: A