Relationship Cardinality.
| Constant | Value | Description |
|---|---|---|
| esriRelCardinalityOneToOne | 1 | One To One. |
| esriRelCardinalityOneToMany | 2 | One To Many. |
| esriRelCardinalityManyToMany | 3 | Many To Many. |
Product Availability
Available with ArcGIS Engine, ArcGIS Desktop, and ArcGIS Server.