Search: in, Database s.e., 1997

6 results

Results

Schema evolution in object databases by catalogs

... We are concerned by schema evolution in Object Oriented Databases (OODB) that is processed by a modification on the ... a new categorization of the different modifications in three categories : primitive, composite and complexe modifications. On ...

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

A Propagation Mechanism for Populated Schema Versions

... value and their structure. As the structure is described in the schema of the database, support for schema evolution is a highly ... which can be used to perform the required changes, even in the presence of populated databases and running applications. In this paper, ...

Publication - cat - 04/17/2013 - 13:05 - 0 comments - 0 attachments

An Axiomatic Model of Dynamic Schema Evolution in Objectbase Systems

... model is proposed for dynamic schema evolution (DSE) in objectbase systems (OBSs) that supports the fundamental concepts of ...

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

A Transparent Schema-Evolution System Based on Object-Oriented View Technology

... 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

WOL: A Language for Database Transformations and Constraints

... databases arises from a number of critical tasks in data management. These tasks are complicated by schema evolution in the underlying databases and by the presence of non-standard database ... specifying such transformations, and its implementation in a system called Morphase (an “enzyme” for morphing data). WOL is ...

Publication - erhard - 04/16/2013 - 12:16 - 0 comments - 1 attachment

Managing Schema Evolution Using a Temporal Object Model

... histories of the schema objects should be traceable. In this paper we propose a method for managing schema changes by exploiting ...

Publication - cat - 04/16/2013 - 03:38 - 0 comments - 0 attachments