Add an inclusive subtype relationship in a logical model so that an attribute in the subtype entity can derive its value from one or more subtype entities.
To add an inclusive subtype relationship
The cursor changes.
The relationship is created.
A subtype is added. Repeat for each child entity that you want to add as a subtype.
The Subtype Properties dialog opens.
The inclusive subtype relationship is added and the Subtype Properties dialog closes.
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