A new data abstraction layer required for OODBMS

Authors:
Eun-Sun Cho;Sang-Yong Han;Hyoung-Joo Kim
Affiliations:
Department of Computer Science, Seoul National University, Seoul, Korea;Department of Computer Science, Seoul National University, Seoul, Korea;Department of Computer Engineering, Seoul National University, Seoul, Korea
Venue:
IDEAS'97 Proceedings of the 1997 international conference on International database engineering and applications symposium
Year:
1997

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Abstract

A 'class' in object-oriented paradigm represents both interface and implementation of the class. However, interface and implementation of a class are needed on different purposes, since class interface is shared among most users, while class implementation is used only to the implementors of the class. In this paper, we introduce a new level of data abstraction, called the 'class-implementation level', which is based on the separated management of interface and implementation of a class. And we describe a new model for OODBMS which provides users with the abstract view of the class implementation.