Ensuring Query Compatibility with Evolving XML Schemas

Pierre Genevès 1 Nabil Layaïda 1 Vincent Quint 1
1 WAM - Web, adaptation and multimedia
Inria Grenoble - Rhône-Alpes, LIG - Laboratoire d'Informatique de Grenoble
Abstract : During the life cycle of an XML application, both schemas and queries may change from one version to another. Schema evolutions may affect query results and potentially the validity of produced data. Nowadays, a challenge is to assess and accommodate the impact of theses changes in rapidly evolving XML applications. This article proposes a logical framework and tool for verifying forward/backward compatibility issues involving schemas and queries. First, it allows analyzing relations between schemas. Second, it allows XML designers to identify queries that must be reformulated in order to produce the expected results across successive schema versions. Third, it allows examining more precisely the impact of schema changes over queries, therefore facilitating their reformulation.
Type de document :
[Research Report] RR-6711, INRIA. 2008
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Soumis le : mercredi 12 novembre 2008 - 08:58:48
Dernière modification le : jeudi 11 janvier 2018 - 06:22:03
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  • HAL Id : inria-00336360, version 1



Pierre Genevès, Nabil Layaïda, Vincent Quint. Ensuring Query Compatibility with Evolving XML Schemas. [Research Report] RR-6711, INRIA. 2008. 〈inria-00336360〉



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