Click a term to refine your current search.
Paper type
- no paper type (3)
- Theory (1)
Venue type
- Conference (1)
- Journal (1)
- Sigmod Record (1)
- TODS / VLDBJ (1)
... on existing evolution support schemes and introduces a more general and functional mechanism to support schema evolution andinstance ... compatibility for old applications, while permitting a wider range of evolution operations. It achieves this by supporting schema ...
Publication - cat - 04/17/2013 - 12:38 - 0 comments - 1 attachment
... 50 - 99 A sound and complete axiomatic model is proposed for dynamic schema evolution ... an OBS. The inference mechanism performed by the model has a proven termination. (object-oriented, Theory, TODS / VLDBJ) ...
Publication - erhard - 04/17/2013 - 08:49 - 0 comments - 0 attachments
... components. We show that data independence, which is a neglected concept in object databases, helps to avoid reorganizations in case ... and reducing schema transformations. We informally present a couple of examples to illustrate the idea of a schema transformation ...
Publication - cat - 04/17/2013 - 07:05 - 0 comments - 0 attachments
... and incremental development. On the schema level, a firm restriction in this evolution is that it can only be done by evolving class hierarchies downwards by subclassing. We show a unified approach to class evolution in object-oriented databases, where class ...
Publication - cat - 04/16/2013 - 05:27 - 0 comments - 0 attachments