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9.3) Penguin (Stanford) (Research Systems - Interfaces - Object-oriented Databases And Vendors)




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This article is from the Object-Oriented Technology FAQ, by Bob Hathaway rjh@geodesic.com with numerous contributions by others.

9.3) Penguin (Stanford) (Research Systems - Interfaces - Object-oriented Databases And Vendors)

Penguin is an object-oriented interface to relational databases.
Penguin has its own simple language-independent object model with
inheritance for composite objects defined as views (called
view-objects) of a relational database. These view-objects represent
data according to application requirements in such a way that multiple
applications can share overlapping, but different, sets of data.
Multiple applications may share data by having overlapping schemata
with differing composite objects and differing inheritance mappings.
We have a C++ binding, which supports multiple inheritance. The
result is a framework for collaboration among multiple users, each
with differing perspectives about the system and its data.

For additional information, please contact ark@db.stanford.edu

References:

``A C++ Binding for Penguin: a System for Data Sharing among
Heterogeneous Object Models,'' Arthur M. Keller, Catherine Hamon,
Foundations on Data Organization (FODO) 93, October 1993, Chicago.

``Querying Heterogeneous Object Views of a Relational Database,''
Tetsuya Takahashi and Arthur M. Keller, Int. Symp. on Next Generation
Database Systems and their applications, Fukuoka, Japan, September
1993, to appear.

``Updating Relational Databases through Object-Based Views,'' by
Thierry Barsalou, Niki Siambela, Arthur M. Keller, and Gio Wiederhold,
ACM SIGMOD, Denver, CO, May 1991.

``Unifying Database and Programming Language Concepts Using the Object
Model'' (extended abstract), Arthur M. Keller, Int. Workshop on
Object-Oriented Database Systems, IEEE Computer Society, Pacific
Grove, CA, September 1986.

 

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