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  1. #1
    Join Date
    Oct 2006
    Posts
    2

    Lightbulb Data Modeling Tools - Sub-type Notation

    Does anyone know which current modeling tool apart from Oracle that will support the Barker's notation where a sub-type is placed inside its super-type entity (i.e. a box insidea bigger box). This approach seems to be a popular way of presenting conceptual models. Any ideas please ?

  2. #2
    Join Date
    Dec 2003
    Location
    Canada
    Posts
    710
    I've looked for apps that do that. Haven't found any.

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