CAD*I Database pp 101-121 | Cite as

Database Schema Definition

  • Michel Raflik
  • Bernd Pätzold
Part of the Research Reports Esprit book series (ESPRIT, volume 5)


  • The conceptual schema in IDEFlx is used in the CAD*I database group to describe the handled entities, properties and attributes,

  • The formal data structure used in the CAD*I project is described according to the High Level Data Specification Language (HDSL),

  • This data schema is divided into two main parts which are the Geometric part(B_REP model with planar faces) and the Administrative part covering the main administrative data used in industry according to the CAD*I database group(administrative data, access rights, closed models, etc.).


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Copyright information

© Springer-Verlag Berlin Heidelberg 1990

Authors and Affiliations

  • Michel Raflik
    • 1
  • Bernd Pätzold
    • 2
  1. 1.CISIGRAPH, Data Base GroupLes Bureaux de Parc la GriffonVitrollesFrance
  2. 2.Institut für Rechneranwendung in Planung und KonstruktionUniversität KarlsruheKarlsruheGermany

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