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An Architecture for Managing Database Evolution

... and extension) are available. The strategy of evolution in which our architecture is based is that of lsquoforward database ... down to the logical schema and to the extension. In order to put into practice this strategy, each component of a database is ... a translation information system is considered in order to manage the translation of conceptual elements into logical schema ...

Publication - cat - 04/17/2013 - 13:27 - 0 comments - 1 attachment

Stones Falling in Water: When and How to Restructure a View–Based Relational Database

... Advances in Databases and ... URL:  ... that makes use of database views. By using views, changes in the structure of the database schema can be delayed until absolutely ...

Publication - jlloret - 04/16/2013 - 15:05 - 0 comments - 0 attachments

Evolution of XML schemas and documents from stereotyped UML class models: A traceable approach

... UML and XML are two of the most commonly used languages in software engineering processes. One of the most critical of these processes ... are incrementally updated according to the changes in the conceptual model (expressed as a UML class model). In this framework, we ...

Publication - jlloret - 04/16/2013 - 15:05 - 0 comments - 0 attachments

MeDEA: A database evolution architecture with traceability.

... engineers (designers, developers) still have to face in their everyday work is the evolution of working database systems. As a step for the solution of this problem in this paper we propose MeDEA, which stands for Metamodel-based Database ...

Publication - jlloret - 04/16/2013 - 14:49 - 0 comments - 0 attachments

Model-Driven, View-Based Evolution of Relational Databases

... between abstraction levels. There exist several mechanisms in order to carry out propagations from one level to another, that are ... of modifications, is a time–consuming process. In this paper we propose a solution that is closer to the lazy and logical mechanisms, in which changes are delayed or not finally realized, respectively. This ...

Publication - jlloret - 04/16/2013 - 08:49 - 0 comments - 0 attachments

Evolving the Implementation of ISA Relationships in EER Schemas

... Proceedings of the Workshop on Evolution and Change in Data Management (ECDM 2006), LNCS 4231, pp. 237-246 ... problems related to database evolution is how to reflect in the data level the changes that have occurred in the conceptual schema of ...

Publication - jlloret - 04/16/2013 - 06:05 - 0 comments - 0 attachments