Data Management

Data Structures and DBMS for CAD Systems-A Review

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Executive Summary

The structures for the storage of data in CAD systems influence to a large extent the effectiveness of the system. This paper reviews the wide range of data structures and DataBase Management Systems (DBMS) available for structuring CAD data. The relationship between these basic data types, their composite structures and the classical data models (on which many DBMS are based) is discussed, and the limitations of existing DBMS in modeling CAD data highlighted. This paper also outlines the historical development of data management systems in order to identify the key issues for successful systems.

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