Enterprise industry models frequently use two types of relations:
- relation between a feature table and a domain table.
- relation between two feature tables, one of which is a master table and one is a detail table.
The following illustration shows the relation between a feature table and a domain table:

The following illustration shows the relation between a master table and a detail table:


Enterprise Industry Model Data Model: The most frequent master-detail relation is —between a feature class and a label feature class.