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Search: a, a, ER / UML
9 results
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- A Taxonomy for Schema Versioning Based on the Relational and Entity Relationship Models
... in databases, especially in systems which necessitate a high volume of structural changes or where structural change is difficult. This paper presents a taxonomy of changes applicable to the Entity-Relationship Model together with ...
Publication - cat - 04/17/2013 - 05:05 - 0 comments - 0 attachments
- Defining Metrics for Conceptual Schema Evolution
... 273.6 KB It is generally believed that a well-designed Conceptual Schema will remain stable over time. However, ... needs and database structures. This paper sets up a framework for stability of conceptual schemas and proceeds to develop a set ...
Publication - cat - 04/17/2013 - 04:16 - 0 comments - 1 attachment
- Stones Falling in Water: When and How to Restructure a View–Based Relational Database
... J Rubio, A.L. Zapata, M.A. Year: ...
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
... Rodriguez, A Rubio, A.L. Zapata, M.A. ...
Publication - jlloret - 04/16/2013 - 15:05 - 0 comments - 0 attachments
- MeDEA: A database evolution architecture with traceability.
... J Rubio, A Zapata, M ... work is the evolution of working database systems. As a step for the solution of this problem in this paper we propose MeDEA, which ...
Publication - jlloret - 04/16/2013 - 14:49 - 0 comments - 0 attachments
- Model-Driven, View-Based Evolution of Relational Databases
... J Rubio, A Zapata, M ... implies the immediate realization of modifications, is a time–consuming process. In this paper we propose a solution that is closer ...
Publication - jlloret - 04/16/2013 - 08:49 - 0 comments - 0 attachments
- Evolving the Implementation of ISA Relationships in EER Schemas
... J Rubio, A Zapata, M ... changes that have occurred in the conceptual schema of a database. This is specially relevant when evolution operations affect ISA ...
Publication - jlloret - 04/16/2013 - 06:05 - 0 comments - 0 attachments
- Engineering for Conceptual Schema Flexibility
... enough to accommodate future changes. This paper presents a comparative review of a dozen current engineering approaches as to which mechanisms they employ to ...
Publication - cat - 04/16/2013 - 03:38 - 0 comments - 0 attachments
- Evolutionary database design
... design methods. The approach distinguishes clearly between a conceptual and a logical database design. A conceptual schema models the relevant aspects of ...
Publication - cat - 04/16/2013 - 01:49 - 0 comments - 0 attachments