When Is A Functional Dependency F Said To Be Minimal?

1.	When 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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