Affiliation:
1. Lockheed-Georgia Company, Marietta, GA
Abstract
A new simplified methodology for relational-database design overcomes the difficulties associated with nonloss decomposition. It states dependencies between data fields on a dependency list and then depicts them unambiguously as interlinked bubbles and doublebubbles on a dependency diagram. From the dependency diagram, a set of fully normalized tables is derived.
Publisher
Association for Computing Machinery (ACM)
Reference9 articles.
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2. Codd. E.F. Further normalization of the data base relational model. Courant Computer Science Symposia. Vol. 6 Dafa Base Systems. Prentice-Hall Englewood Cliffs NJ. 1971. pp. 33-64. Introduces the notion of functional dependence and uses it to define a more stringent "second normal form" and an even stronger "third normal form." Explains how relations are translated from first normal form to second and then to third by those progressively stronger conditions. Codd. E.F. Further normalization of the data base relational model. Courant Computer Science Symposia. Vol. 6 Dafa Base Systems. Prentice-Hall Englewood Cliffs NJ. 1971. pp. 33-64. Introduces the notion of functional dependence and uses it to define a more stringent "second normal form" and an even stronger "third normal form." Explains how relations are translated from first normal form to second and then to third by those progressively stronger conditions.
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