Question: 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.
Question:
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. Source: CoolInterview.com
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