Closure
Closure. The closure of { B 1 …B k } under the set of FDs S , denoted by { B 1 …B k } + , is defined as follows: { B 1 …B k } + = {B | any relation satisfies S will also satisfies B 1 …B k B}. Computing the closure. Given: the set S and { A 1 ,…,A n }
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