Computer Science – Databases
Scientific paper
2007-01-17
International Journal of Multidisciplinary Sciences and Engineering, Vol. 2, No. 5, 2011, 1-4
Computer Science
Databases
Scientific paper
An alternative definition of the concept is given of functional dependence among the attributes of the relational schema in the Relational Model, this definition is obtained in terms of the set theory. For that which a theorem is demonstrated that establishes equivalence and on the basis theorem an algorithm is built for the search of the functional dependences among the attributes. The algorithm is illustrated by a concrete example
Ortega Jose Angel
Pulido Georgina G.
Vega-Paez Ignacio
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