Re: Entity Modeler.app

From: Timo Hoepfner (th-de..nlinehome.de)
Date: Thu Oct 18 2007 - 07:11:56 EDT

  • Next message: Kieran Kelleher: "Re: Entity Modeler.app"

    > * changing the mandatory flag on a to-one automatically changes the
    > allows-null flag on the corresponding attributes and vice versa

    Hi,

    Does that take single-table inheritance into account, where you could
    have a mandatory to-one relationship in one of the sub-entities, but
    the attribute must be modelled as allows null to allow for other sub-
    entities which don't have that relationship?

    Timo

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