Multimusen.dk

ER Diagram Solutions

Cardinalities

How do you solve cardinalities such as:

  • One to many.
  • Many to many.
  • Multivalue attributes.

Here are some suggestions.

A student drawing en ER-Diagram

Two students explaining ER-Ds

Per Thykjaer Jensen

Author and Senior Lecturer at the Multimedia Design AP Programme. MA Literature History, BA Art History, MA IT, interaction and Multimedia. WordPress user since 2007. Whatever you read here is my personal point of view.

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