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Update Semantics of Relational Views

... 100 - 499 A database view is a portion of the data structured in a way suitable to a specific on views ...

Publication - erhard - 04/17/2013 - 09:38 - 0 comments - 0 attachments

An Axiomatic Model of Dynamic Schema Evolution in Objectbase Systems

... 50 - 99 A sound and complete axiomatic model is proposed for dynamic schema evolution ... an OBS. The inference mechanism performed by the model has a proven termination. (object-oriented, Theory, TODS / VLDBJ) ...

Publication - erhard - 04/17/2013 - 08:49 - 0 comments - 0 attachments

Comment on Bancilhon and Spyratos' "Update semantics and relational views"

... Keller, A.M. Author:  Keller, A Year:  ...

Publication - huliganka - 04/17/2013 - 00:16 - 0 comments - 1 attachment

Composing Schema Mappings: Second-Order Dependencies to the Rescue

... 486.39 KB A schema mapping is a specification that describes how data structured under one schema (the ... schema) is to be transformed into data structured under a different schema (the target schema). A fundamental problem is composing ...

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

Relational languages for metadata integration

... range:  n/a Attachment Size ... 676.21 KB In this article, we develop a relational algebra for metadata integration, Federated Interoperable ...

Publication - cat - 04/16/2013 - 18:27 - 0 comments - 1 attachment

On the computation of relational view complements

... range:  n/a Attachment Size ... 311.36 KB Views as a means to describe parts of a given data collection play an important role in many database applications. ...

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