Abstract
Existing database performance benchmarks, which were primarily designed to evaluate record-oriented data models, are only marginally useful for scaling object-oriented data models. Even newly developed benchmarks for object-oriented models do not cover the full functional spectrum of object-orientation: they concentrate on the evaluation of structural modeling and retrieval of objects. However, truly object-oriented models allow the incorporation of the objects' behavior in the database (type) schema. A benchmark that accounts for this is presented. It is based on some typical CAD/CAM example objects including their behavioral description, e.g., geometric transformations. Parts of the benchmark are, on an exemplary basis, demonstrated for two database systems: the relational DBMS SQL/DS and the object-oriented system R/sup 2/D/sup 2/, which is based on the integration of abstract data types in a nested relational data model (NF/sup 2/). The results prove that an effective support of technical applications is only possible if the application-specific behavior, is seamlessly integrated in the database query language as well as in the data manipulation language.< <ETX xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink">></ETX>
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