What Is A Functional Dependency F Said To Be Minimal?

1.	What Is A Functional Dependency F Said To Be Minimal?
Answer» Every dependency in F has a single ATTRIBUTE for its right hand SIDE. It cannot replace any dependency X -->A in F with a dependency Y--> A where Y is a PROPER SUBSET of X and still have a set of dependency that is equivalent to F. We cannot REMOVE any dependency from F and still have set of dependency that is equivalent to F.

Answer»

Every dependency in F has a single ATTRIBUTE for its right hand SIDE.
It cannot replace any dependency X -->A in F with a dependency Y--> A where Y is a PROPER SUBSET of X and still have a set of dependency that is equivalent to F.
We cannot REMOVE any dependency from F and still have set of dependency that is equivalent to F.

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