Question: Normalize the following 1NF relations to 3NF. First, normalize to 2NF, then 3NF. Show all work. 1. r(A,B,C,D) FD1 A -> B,C FD2 B ->

Normalize the following 1NF relations to 3NF. First, normalize to 2NF, then 3NF. Show all work.

1.

r(A,B,C,D)

FD1 A -> B,C

FD2 B -> D

2.

r(A,B,C,D,E)

FD1 (A,B) -> C

FD2 B -> D

FD3 C -> E

3.

r(A,B,C,D,E,F)

FD1 (A,B,C) -> D

FD2 (A,B) -> E

FD3 C -> F

4.

r(A,B,C,D,E,F,G)

FD1 (A,B,C) -> F

FD2 (A,B) -> G

FD3 G -> D,E

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