... Pons, A; Keller, R. K. Author: Pons, A Keller, R ...
Publication - cat - 07/03/2022 - 23:42 - 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
... to database schemas, to data and to programs through a general strategy. This strategy requires the documentation of database ... techniques. Our approach, called DB-MAIN, relies on a generic database model and on transformational paradigm that states that ... can be modeled by schema transformations. Indeed, a transformation provides both structural and instance mappings that formally ...
Publication - huliganka - 04/17/2013 - 11:38 - 0 comments - 1 attachment
... Kupfer, A Eckstein, S ... integration and meta-databases, by connecting databases on a semantical level. Still, everything fails when one of the database schemas ...
Publication - cat - 04/17/2013 - 11:05 - 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
... Marotta, A; Motz, R; Ruggia, R Author: Marotta, A Motz, R ...
Publication - cat - 04/17/2013 - 05:27 - 0 comments - 0 attachments
... 273.6 KB It is generally believed that a well-designed Conceptual Schema will remain stable over time. However, ... needs and database structures. This paper sets up a framework for stability of conceptual schemas and proceeds to develop a set ...
Publication - cat - 04/17/2013 - 04:16 - 0 comments - 1 attachment
... domain. Consequently, OLAP systems are represented by a multidimensional database schema to adequately reflect the application semantics. FIESTA presents a methodology for the evolution of such multidimensional schemas. Core of the ...
Publication - cat - 04/16/2013 - 18:16 - 0 comments - 1 attachment
... Markowitz, Victor; Makowsky, Johann A. Author: ... databases to model information oriented systems. A relational schema consisting of relational schemes, together with key and ...
Publication - erhard - 04/16/2013 - 11:05 - 0 comments - 1 attachment
... More than ever before schema transformation is a prevalent problem that needs to be addressed to accomplish for example the ... Such schema transformations are typically composed of a sequence of schema evolution operations. The execution of such sequences can ...
Publication - cat - 04/16/2013 - 07:49 - 0 comments - 1 attachment
... Theodoratos, D; Dalamagas, T; Simitsis, A; A Simitsis, M Author: ...
Publication - cat - 04/16/2013 - 04:49 - 0 comments - 1 attachment
... KB Database evolution can be considered a combination ofschema evolution, in which the structure evolves with the ... and/or range of allowable values changes. We present a model in which mesodata – an additional domain definition layer containing ...
Publication - cat - 04/16/2013 - 04:05 - 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
... 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
... with regard to database applications. Finally, we propose a declarative language based on OQL, the ODMG query language, that the user ...
Publication - cat - 04/16/2013 - 02:27 - 0 comments - 1 attachment
... design methods. The approach distinguishes clearly between a conceptual and a logical database design. A conceptual schema models the relevant aspects of ...
Publication - cat - 04/16/2013 - 01:49 - 0 comments - 0 attachments
Authors: Odberg, E Author: Odberg, E Year: ...
Publication - cat - 04/16/2013 - 01:16 - 0 comments - 0 attachments
... completely lack schema evolution facilities, or offer a restricted set of special purpose schema evolution operators supporting ...
Publication - cat - 04/16/2013 - 01:16 - 0 comments - 0 attachments
... Fan, H; Poulovassilis, A Author: ... Poulovassilis, A Year: ...
Publication - cat - 04/15/2013 - 22:49 - 0 comments - 1 attachment
... Koeller, A; Rundensteiner, EA Author: Koeller, A Rundensteiner, E ...
Publication - cat - 04/15/2013 - 22:27 - 0 comments - 1 attachment
... maintenance, reverse engineering and anticipating design. A common, generic, framework that can support these strategies is described. It is based on a generic data structure model, on a transformational approach to database ...
Publication - cat - 04/15/2013 - 22:27 - 0 comments - 1 attachment
