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

Published by Per Thykjaer Jensen

Senior Lecturer at the Multimedia Design and Communication Programme at Aarhus Business College. I teach code and UX. Linux evangelist and WordPress expert. View more posts

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