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Schema Evolution
- Schema Evolution (8)
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... 565.42 KB Time is a pervasive dimension of reality as everything evolves as time elapses. ... Wide Web, although it has not seemingly considered as a primary issue yet. However, several papers addressing, in an explicit or ... Wide Web appeared recently and, on some aspects, showed a clear upward trend in last months, witnessing a sustained and/or growing ...
Publication - cat - 04/17/2013 - 12:49 - 0 comments - 1 attachment
... KB This paper describes work carried out on a model for the versioning of class definitions in an object-oriented database. ... on attributes of the previous and current version of a class definition, instances of any version of the class can be converted to ...
Publication - cat - 04/17/2013 - 12:38 - 0 comments - 1 attachment
... 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
... These problems occur when the semantics of values of a particular domain change over time in ways that are not amenable to applying ...
Publication - cat - 04/17/2013 - 06:27 - 0 comments - 1 attachment
... 36.23 KB Schema Evolution is the ability of a database system to respond to changes in the real world by allowing the ... to evolve. In many systems this property also implies a retaining of past states of the schema. This latter property is necessary if ...
Publication - cat - 04/17/2013 - 05:16 - 0 comments - 1 attachment
... Rahm, Erhard; Bernstein, Philip A. Author: ... 75.57 KB We briefly motivate and present a new online bibliography on schema evolution, an area which has recently ...
Publication - admin - 04/16/2013 - 22:49 - 0 comments - 1 attachment
... 0 Citations range: n/a Attachment Size ... 472.64 KB The incorporation of a knowledge of time within database systems allows for temporally related ...
Publication - cat - 04/16/2013 - 16:16 - 0 comments - 1 attachment
... 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