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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

Evolution and change in data management: issues and directions

... and completeness. In order to study this in more detail a workshop on Evolution and Change in Data Management was held in Paris in November 1999. It brought together researchers from a wide range of disciplines with a common interest in handling the fundamental ...

Publication - cat - 04/16/2013 - 11:38 - 0 comments - 1 attachment

Facilitating database attribute domain evolution using mesodata

... KB Database evolution can be considered a combination ofschema evolution, in which the structure evolves with the ... and/or range of allowable values changes. We present a model in which mesodata – an additional domain definition layer containing ...

Publication - cat - 04/16/2013 - 04:05 - 0 comments - 1 attachment