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A Formal Definition for Object-Relational Database Metrics

Relational databases are the most important in the database world and are evolving to object-relational databases in order to allow the possibility of working with new and complex data and applications. One widely accepted mechanism for assuring the quality of an object-relational database is the use of metrics formally and empirically validated. Also it is important to formalize the metrics for having a better understanding of their definitions. Metrics formalization assures the reliable repetition of their computation and facilitates the automation of metrics collection. In this paper we present the formalization of a set of metrics defined for object-relational databases described using SQL:2003. For doing the formalization we have produced the ontology of the SQL:2003 as a framework for representing the SQL schema definitions. The ontology has been represented using UML and the definition of the metrics has been done using OCL (Object-Constraint Language) which is part of the UML 2.0 standard.


@ Proceedings of the International Conference on Enterprise Information Systems (ICEIS’2005)

Publisher: INSTICC ( Portugal )

Pages: 334 to 339

Date: 2005


    Aline Lúcia Baroni (Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa), Coral Calero (Universidad de Castilla-La Mancha.), Mario Piattini (Universidad de Castilla-La Mancha.), Fernando Brito e Abreu
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