Schema Evolution publication categorizer

... that can be made by querying a database system, and, in particular, look at which observations are valid for a particular database ... being merged. However we establish that one cannot, in general, find a meaningful binary merging operator which is associative, ...

Publication - huliganka - 07/03/2022 - 23:42 - 0 comments - 0 attachments

... manipulating object-based views on relational databases. In this paper, we present a scheme for handling update operations on view ...

Publication - erhard - 04/17/2013 - 09:38 - 0 comments - 0 attachments

... We describe examples of problems of semantic heterogeneity in databases due to “domain evolution”, as it occurs in both single- and multidatabase systems. These problems occur when the ...

Publication - cat - 04/17/2013 - 06:27 - 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

... schema is defined and the problems which need to be solved in order to obtain a usable schema update mechanism are shown. The distinction ... and behavioral consistency for the O2 system is described in some detail and it is demonstrated how updates could be performed by ...

Publication - cat - 04/16/2013 - 08:16 - 0 comments - 0 attachments

... 10 - 49 In this paper we address the problem of schema evolution in object-oriented database systems. Most currently available database ...

Publication - cat - 04/16/2013 - 01:16 - 0 comments - 0 attachments