Answer to Question #273313 in Databases | SQL | Oracle | MS Access for Robin

Question

Consider the functional dependency of relation R (M, N, R, P)

F = {M→NR, N→R, M→N, MN→RP }

Compute the canonical cover Fc of F

Answer 1

F = {M→NR, N→R, M→N, MN→RP }
Remove M→N because of M→NR is M→N and M→R
F = {M→NR, N→R, MN→RP}
F = {M→NR, N→RP}