Schema Evolution publication categorizer

... 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

... 10 - 49 In this paper we present a formal model for the support of temporal schema versions in object-oriented databases. Its definition is partially based on a generic (ODMG compatible) object model and partially introduces new concepts. ...

Publication - fgrandi - 04/17/2013 - 08:49 - 0 comments - 0 attachments

... 100 - 499 When a database is shared by many users, updates to the database schema are almost always prohibited because there is a risk of making existing application programs obsolete when they run against ...

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

... they seldom support automatic propagation mechanisms. A proposal is described that enables Sherpa to fully support the propagation of ... It extends previous classification mechanisms with a dynamic capability which adequately supports evolving class definitions and ...

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

... multiple copies of object descriptions have to coexist in a single database. A scheme is proposed that enables users to explicitly deal with these object ...

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