Evolving the Implementation of ISA Relationships in EER Schemas
- Domínguez, E. 1
- Lloret, J. 1
- Rubio, Á.L. 2
- Zapata, M.A. 1
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1
Universidad de Zaragoza
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2
Universidad de La Rioja
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ISSN: 0302-9743
Year of publication: 2006
Volume: 4231 LNCS
Pages: 237-246
Type: Article
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Abstract
One of the most severe problems related to database evolution is how to reflect in the data level the changes that have occurred in the conceptual schema of a database. This is specially relevant when evolution operations affect ISA relationships. In this paper we present our view of the evolution of ISA relationships, focusing on the artifacts that generate the sentences for changing the data in a consistent way. © Springer-Verlag Berlin Heidelberg 2006.