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A Query Interface for an Object Management System

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Database and Expert Systems Applications

Abstract

This paper presents the query interface EQL of the object management system InORM, which is based on a relation-object model. We describe the requirements and design objectives of an interface of an object management system in an integrated software factory and then review the facilities and main features of the interface EQL. The EQL supports object-oriented database capabilities such as encapsulation, method invocation, inheritance, and navigational queries while maintaining the relational capabilities. Moreover, the closure property is provided in a simple way and content-based queries for documents and programs are supported. The EQL has demonstrated that a useful, general purpose interface could be built for an object management system, on which a high-level integration of tools can be reached.

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Author information

Authors and Affiliations

  1. Department of Computer Science, University of Dortmund, P.O.Box 500 500, D-4600, Dortmund 50, Germany

    Xuequn Wu

Authors
  1. Xuequn Wu
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Editor information

Editors and Affiliations

  1. Forschungsinstitut für anwendungsorientierte Wissensverarbeitung (FAW), Ulm, Federal Republic of Germany

    Dimitris Karagiannis (General Conference Chairman) (General Conference Chairman)

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© 1991 Springer-Verlag Wien

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Wu, X. (1991). A Query Interface for an Object Management System. In: Karagiannis, D. (eds) Database and Expert Systems Applications. Springer, Vienna. https://doi.org/10.1007/978-3-7091-7555-2_36

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  • DOI: https://doi.org/10.1007/978-3-7091-7555-2_36

  • Publisher Name: Springer, Vienna

  • Print ISBN: 978-3-211-82301-9

  • Online ISBN: 978-3-7091-7555-2

  • eBook Packages: Springer Book Archive

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