Titlebook: Database Reengineering and Interoperability; To-yat Cheung,Joseph Fong,Brian Siu Book 1996 Plenum Press, New York 1996 DBMS.Management.dat

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箴言

詞匯

An Object Oriented Model for Data, Knowledge, and System Reengineeringnts of both DB and AI workers. One of the main reasons for this is that most current research focuses either on the area of system reengineering or on searching for a new knowledge model. Very little attempts to make progress in both these areas. Really system reengineering and new knowledge models

讓步

Systemic

你正派

Reengineering Library Datae user’s access as well as to improve the user friendliness. Such a catalogue integration is no straight forward process because of the diversity and peculiarities of the involved sourcesystems. This article describes some of the problems the authors encountered during their approach to reengineer s

facetious

Obstacle

syncope

Generalization Without Reorganization in a Simple Object Oriented DBMSe same data model the two types of abstractions can coexist: specialization and generalization. We will show that support of generalization in addition to specialization is an important alternative. First to avoid database reorganizations, due especially to schema modification to create a superclass

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