Given a relation schema R(A,B,C,D,E,F) with F={ ABC, BC, CBD, BD+E, ED} Give two different minimal covers of F Determine all keys of R Determine C and (CE) Why R is not in 2NF? Give a 2NF decomposition of R Give a 3NF decomposition of R Is your decomposition BCNF? If not give a BCNF decomposition