... even altogether schema-free. They allow to store datasets in different structural versions to co-exist. Yet even when the database ... about the structure of the stored data. For instance, in Figure 1, the Java code in lines 1 through 9 implies a schema: An entity for ...
Publication - cat - 04/17/2022 - 19:15 - 0 comments - 0 attachments
... management systems (OODBMS) have enormous advantages in comparison to relational systems in modeling highly complex and dynamic application scenarios. Still they lack ...
Publication - cat - 04/17/2013 - 13:16 - 0 comments - 0 attachments
... 10 - 49 Changes in the real world may require both the database population and the database schema to evolve. Particularly, this is the case in CAD/CAM and CASE database systems, in which the design objects constantly ...
Publication - erhard - 04/17/2013 - 10:05 - 0 comments - 0 attachments
... is the ability of a database system to respond to changes in the real world by allowing the schema to evolve. In many systems this property also implies a retaining of past states of the ...
Publication - cat - 04/17/2013 - 05:16 - 0 comments - 1 attachment
... Recently there has been increasing interest in both the problems and the potential of accommodating evolving schema in databases, especially in systems which necessitate a high volume of ...
Publication - cat - 04/17/2013 - 05:05 - 0 comments - 0 attachments
... perspectives. Researchers have examined schema evolution in single stand-alone databases and schema evolution in an integrated heterogeneous set of databases has received little attention. ...
Publication - cat - 04/17/2013 - 05:05 - 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
... and database systems is that they change. Moreover, in so doing they evolve, although the manner and quality of this evolution is highly dependent on the mechanisms in place to handle it. While changes in data are handled well, changes in other ...
Publication - cat - 04/16/2013 - 11:38 - 0 comments - 1 attachment
... heterogeneous schemata for various database related tasks. In particular, schema versioning, and its weaker companion, schema evolution, ... to retain current data and software system functionality in the face of changing database structure. Schema versioning and schema ...
Publication - cat - 04/16/2013 - 04:49 - 0 comments - 0 attachments
Authors: Hartung, M.; Terwilliger, J.; Rahm, E. Author: Hartung, M ...
Publication - hartung - 04/16/2013 - 02:05 - 0 comments - 0 attachments
