For each of the following relation schemas and sets of FD'sA) is R in 2NF? Why ? B) Is R in 3NF? Why?

C) Is R in BCNF? Why?

Exercise 3.3.1: For each of the following relation schemas and sets of FD's: a) R(A, B,C, D) with FD's AB-C, C-D, and DA b) R(A, B,C, D) with FD's B-C and B- D c) R(A, B,C, D) with FD's AB - C, BCD, CD -A, and AD - B d) R(A, B,C, D) with FD's A B, B-C, CD, and DA e) R(A, B,C, D,E) with FD's AB-C, DE-C, and B -> D f) R(A, B,C, D, E) with FD's AB-C,CD, DB, and DE do the following