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The _______ is a set of all functional and multi values dependencies implied by a set of functional dependencies

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The _______ is a set of all functional and multi values dependencies implied by a set of functional dependencies

(a) Star

(b) Closure

(c) Derivation

(d) Evolution

I got this question in an internship interview.

My question is based upon Decomposition Algorithms topic in division Relational Database Design of RDBMS

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Correct option is (b) Closure

To explain: The closure is a set of all functional and multi values dependencies implied by a set of functional dependencies on a given relation. It is denoted by giving a “+” superscript.

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