Constraints and Triggers in an Object-Oriented Geo Database Kernel

  title={Constraints and Triggers in an Object-Oriented Geo Database Kernel},
  author={Hendrik Ditt and Ludger Becker and Andreas Voigtmann and Klaus H. Hinrichs},
  booktitle={DEXA Workshop},
A concept to integrate constraints and triggers into the object-oriented geo database kernel GOODAC is presented in this paper: We propose an extension of GOODAC’s object definition language to include the dejinition of constraints and triggers within the class dejinitions. To reduce the number of constraints, triggers, and possibly affected objects which must be inspected after an update of the database, we provide a mechanism to determine all objects which are subject to constraints and… CONTINUE READING