Minimal cover : A->B, E->D, D->E
strongest normal form : 1NF
BCNF Decomposition :
R1 (A,B)
R2 (A,D)
R3 (D,E)
2) 1) (b)
Minimal cover : A->C, C->B
strongest normal form : 1NF
BCNF Decomposition :
R1 (B,C)
R2 (A,D)
R3 (A,C)
2) 2) A)
Dependency preserving : Yes
Loseless join : Yes
2) 2) B)
Dependency preserving : No
Loseless join : Yes
Bye,
B.Santhosh Kumar
IND + 91 9942976670
USA 001 215 407 3352