... Skarra, A Zdonik, S ... such may be modified and shared. The effects of changing a type extend to objects of the type and to programs that use objects of the ...
Publication - cat - 06/15/2023 - 14:51 - 0 comments - 1 attachment
... McBrien, P; Poulovassilis, A Author: ... Poulovassilis, A Year: ...
Publication - cat - 09/13/2022 - 17:45 - 0 comments - 0 attachments
... Pons, A; Keller, R. K. Author: Pons, A Keller, R ...
Publication - cat - 07/03/2022 - 23:42 - 0 comments - 0 attachments
... range: n/a Recent position papers demand more schema ... in Figure 1, the Java code in lines 1 through 9 implies a schema: An entity for person Jo Bloggs is created, and then persisted in the ...
Publication - cat - 04/17/2022 - 19:15 - 0 comments - 0 attachments
... to put into practice this strategy, each component of a database is seen under this architecture as the information base of an information system. Furthermore, a translation information system is considered in order to manage the ... of conceptual elements into logical schema elements. A current Oracle implementation of this architecture is also presented. ...
Publication - cat - 04/17/2013 - 13:27 - 0 comments - 1 attachment
... 277.31 KB Database systems offering a multidimensional schema on a logical level (e.g. OLAP systems) are often used in data warehouse ...
Publication - cat - 04/17/2013 - 12:49 - 0 comments - 1 attachment
... Cleve, A Hainaut, J ... 0 Citations range: n/a Attachment Size ...
Publication - acleve - 04/17/2013 - 11:38 - 0 comments - 1 attachment
... in every aspect. On the other hand, the prototyping of a database design may also involve changes to both the structure and behavior of a schema. Unfortunately, most of the current systems offer little support for ...
Publication - erhard - 04/17/2013 - 10:05 - 0 comments - 0 attachments
... N Jones, A Gray, W ... cost and effort required for maintaining the federation in a consistent state after its launch. If only human intervention is to be ...
Publication - cat - 04/17/2013 - 10:05 - 0 comments - 0 attachments
... Scalas, M.R.; Cappelli, A; DeCastro, C. Author: ... M Cappelli, A DeCastro, C ...
Publication - cat - 04/17/2013 - 06:49 - 0 comments - 0 attachments
... in databases, especially in systems which necessitate a high volume of structural changes or where structural change is difficult. This paper presents a taxonomy of changes applicable to the Entity-Relationship Model together with ...
Publication - cat - 04/17/2013 - 05:05 - 0 comments - 0 attachments
... Papastefanatos, G.; Vassiliadis, P.; Simitsis, A.; Vassiliou, Y. Author: ... P Simitsis, A Vassiliou, Y ...
Publication - pvassil - 04/17/2013 - 04:49 - 0 comments - 0 attachments
... the database and mapping must evolve in kind. We present a technique that, in most cases, allows those evolutions to progress ...
Publication - cat - 04/16/2013 - 20:38 - 0 comments - 0 attachments
... Habermann, A Year: ... complex schema changes, but also database reorganization. A database administrator uses a declarative notation to describe mappings ...
Publication - cat - 04/16/2013 - 17:38 - 0 comments - 1 attachment
... Papastefanatos, G.; Vassiliadis, P.; Simitsis, A.; Aggistalis, K.; Pechlivani, F.; Vassiliou, Y. ... K Simitsis, A Papastefanatos, G ...
Publication - gpapas - 04/16/2013 - 08:27 - 0 comments - 1 attachment
... Cleve, A.; Henrard, J.; Hainaut, J.-L. ... Cleve, A Henrard, J ... Database reengineering consists of deriving a new database from a legacy database and adapting the software components ...
Publication - huliganka - 04/16/2013 - 07:49 - 0 comments - 0 attachments
... to handle database evolution. In this paper, we introduce a graph-based model that uniformly captures relations, views, constraints and ...
Publication - gpapas - 04/16/2013 - 07:38 - 0 comments - 1 attachment
... Small changes in the database configurations might impact a large number of applications and data stores around the system: queries and ... application programs might crash. HECATAEUS is a tool, which represents the database schema along with its dependent workload, ...
Publication - gpapas - 04/16/2013 - 07:27 - 0 comments - 0 attachments
... 48.74 KB A temporal data warehouse can be defined as a set V of materialized views over non-temporal sources. We present a self-maintainable temporal data warehouse that, besides a set of temporal ...
Publication - huliganka - 04/16/2013 - 06:27 - 0 comments - 1 attachment
... class is derived from several classes. This paper proposes a solution based on the definition of a multi-level schema architecture, emphasising: (i) The integration of this ...
Publication - cat - 04/16/2013 - 06:27 - 0 comments - 0 attachments
... and incremental development. On the schema level, a firm restriction in this evolution is that it can only be done by evolving class hierarchies downwards by subclassing. We show a unified approach to class evolution in object-oriented databases, where class ...
Publication - cat - 04/16/2013 - 05:27 - 0 comments - 0 attachments
... Theodoratos, D; Dalamagas, T; Simitsis, A; A Simitsis, M Author: ...
Publication - cat - 04/16/2013 - 04:49 - 0 comments - 1 attachment
... objects should be traceable. In this paper we propose a method for managing schema changes by exploiting the functionality of a temporal object model. The result is a uniform treatment of schema ...
Publication - cat - 04/16/2013 - 03:38 - 0 comments - 0 attachments
... Claypool, K.T.; Rundensteiner, E.A.; Heineman, G.T. Author: ... propose comprehensive support for relationship evolution. A complete schema evolution facility for any OODB system must provide (1) ...
Publication - cat - 04/16/2013 - 02:49 - 0 comments - 1 attachment
... 105.98 KB The multiobject mechanism is a pertinent way to implement specialization in an object database and differs ...
Publication - cat - 04/16/2013 - 02:38 - 0 comments - 1 attachment
