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On Schema Evolution in Multidimensional Databases

... 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

Transforming Heterogeneous Data with Database Middleware: Beyond Integration

... sources. To be effective, such systemsmust provide a unified, queryable schema, and must be able to transform data from different ... to connect to several information sources makes them a natural base for doing more complex transformations as well. In this paper, ...

Publication - massmann - 04/17/2013 - 10:38 - 0 comments - 1 attachment

A Survey of Schema Evolution in Object-Oriented Databases

... 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

Repository Support for Data Warehouse Evolution

... and subjective. Therefore, data warehouse design is a continuous process which has to reflect the changing environment of a data warehouse, i.e. the data warehouse must evolve in reaction to the ...

Publication - cat - 04/16/2013 - 22:16 - 0 comments - 1 attachment

A Uniform Approach to Inter-Model Transformations

... McBrien, P.; Poulovassilis, A. Author:  ... Poulovassilis, A Year:  ...

Publication - huliganka - 04/16/2013 - 21:49 - 0 comments - 1 attachment

Flexible database transformations: the SERF approach

... 55.11 KB Database transformations is a critical task that occurs in many different domains. Schema evolution is ...

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

Facilitating Schema Evolution With Automatic Program Transformations

... change is more the norm than the exception. Consider a shared object-oriented persistent system built to serve the business needs of a company. Changes such as additions of classes or class members, renamings, ...

Publication - cat - 04/16/2013 - 18:05 - 0 comments - 1 attachment

An Equational Chase for Path-Conjunctive Queries, Constraints, and Views

... 0 Citations range:  n/a We consider the class of path-conjunctive queries ...

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

A Unified Framework for Supporting Dynamic Schema Evolution in Object Databases

... 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

Dynamic Workflow Schema Evolution Based on Workflow Type Versioning and Workflow Migration

... M Geppert, A Year:  ... deletion and modification of workflow types in such a way that the schema remains correct. This problem is aggravated when ...

Publication - cat - 04/16/2013 - 02:16 - 0 comments - 0 attachments