Schema Evolution publication categorizer

... KB We examine the problem of type evolution in an object-oriented database environment. Type definitions are persistent objects in the database and as such may be modified and shared. The effects of changing ...

Publication - cat - 06/15/2023 - 14:51 - 0 comments - 1 attachment

... of the most important functions which need to be supported in integrated computer-aided design (CAD) systems. In this paper we address a broad spectrum of semantic and operational issues in ...

Publication - cat - 07/28/2016 - 08:29 - 0 comments - 0 attachments

... out on a model for the versioning of class definitions in an object-oriented database. By defining update and backdate functions on ... an old version of the schema to still use data created in the format of the changed schema. (no paper type, object-oriented, ...

Publication - cat - 04/17/2013 - 12:38 - 0 comments - 1 attachment

... and then produces a transformer that can update data in a database to correspond to a newer version of the schema. (no paper ...

Publication - erhard - 04/17/2013 - 10:05 - 0 comments - 1 attachment

... view system to support capacity-augmenting views. In this paper, we present algorithms that implement the complete set of typical ...

Publication - cat - 04/17/2013 - 06:38 - 0 comments - 0 attachments

... efforts directed towards evolving data definitions in object-oriented database systems. The emphasis is on their ability to ... modified. This approach is an extension of techniques used in artificial intelligence for knowledge representation. It extends previous ...

Publication - cat - 04/16/2013 - 18:49 - 0 comments - 1 attachment

... simple changes to individual schemas. As described in this paper, OTGen supports not only more complex schema changes, but also ... to the new definitions, thus facilitating improvements in performance, functionality, and usability of the database. (Conference, ...

Publication - cat - 04/16/2013 - 17:38 - 0 comments - 1 attachment

... which takes evolution into account. Its originality is in allowing the development of partial schema versions, or views of a schema. These versions are created in the same database from a common schema. We define the set of authorised ...

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

... 100 - 499 In engineering applications, multiple copies of object descriptions have to coexist in a single database. A scheme is proposed that enables users to explicitly ...

Publication - cat - 04/15/2013 - 22:49 - 0 comments - 0 attachments

... have been proposed and implemented. However, research in versions has been focused exclusively on versioning single design objects. In a multi-user design environment where the schema (definition) of the ...

Publication - cat - 04/15/2013 - 21:05 - 0 comments - 1 attachment