Re: Theory Questions concerning MVD and Functional Dependency.....

Solomon_Man wrote:

>

Consider the following relations.
R = {(1, 1) (2, 3)}
S = {(1, 1), (1, 2)}

R[1] = {1} (1 determines 1)
R[2] = {3} (2 determines 3)

S[1] = {1, 2} (1 multi-determines 1, 2)

The dependency between the first component and the second in the S is multivalued dependency.

[ ] is equivalence class. Received on Tue Dec 12 2006 - 14:59:15 CST