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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

Structural matching and discovery in document databases

... 632.81 KB Structural matching and discovery in documents such as SGML and HTML is important for data warehousing [6], ... an example, a user of the World Wide Web may be interested in knowing changes in an HTML document [2, 5, 10]. Such changes can be detected ...

Publication - huliganka - 04/16/2013 - 23:16 - 0 comments - 1 attachment

MDM: a Multiple-Data-Model Tool for the Management of Heterogeneous Database Schemes

... Manager supports a specialized user, the model engineer, in the definition of a variety of models, on the basis of a limited set of ...

Publication - huliganka - 04/16/2013 - 19:27 - 0 comments - 1 attachment

The role of polymorphic reuse mechanisms in schema evolution in an object-oriented database

... adaptiveness of database programs against schema evolution in an object oriented database. The salient features of our approach are the ... derivation of specifications. The main innovations are in raising the level of abstraction for behavioral schema design, and for ...

Publication - cat - 04/16/2013 - 05:38 - 0 comments - 0 attachments

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