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Question

Let R(A,B,C,D,E,P,G) be a relational schema in which the following FDs are known to hold:

AB->CD
DE->P
C->E
P->C
B->G

The relation schema R is

a.

in BCNF

b.

in 3NF, but not in BCNF

c.

in 2NF, but not in 3NF

d.

not in 2NF

Posted under DBMS

Answer: (d).not in 2NF

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Q. Let R(A,B,C,D,E,P,G) be a relational schema in which the following FDs are known to hold: AB->CD DE->P C->E P->C B->G The relation schema R is

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