30 Pts Given Ra B C D E Key Ab Given Following Set Functional Dependencies F B B C B D E 1 Q37060389

(30 pts) Given Ra, b, c, d, e) with a key (ab) and given the following set of functional dependencies F-{ a → b, {a, b} c, b d, e 1. Is R in 1NF? Justify your answer. 2. Is R in 2NF? Justify your answer 3. Is R in 3NF? Justify your answer. Show transcribed image text (30 pts) Given Ra, b, c, d, e) with a key

OR

 

OR