Summary

Important Observations

• When creating a relationship, it will only be recognized if the borders turn red when connecting the Relate connector to the two entities.

• The allowable relationships between two entities depends on the types of entity being related.

• Deleting an inherited element from an entity will delete the entire relationship via which that element has been inherited.

• The model diagram shows inherited elements with a symbol to their right to denote the type of relationship by which they were inherited.

Tips and Techniques

• Change the default descriptors for a relationship to something more meaningful to the nature of the relationship between the two entities.

What I Should Know

• How to create a relationship between two entities.

• How inherited elements are shown on the model diagram and in the Entity Elements window.