Unary Relationship Erd - Web unary relationship (recursive) a unary relationship, also called recursive, is one in which a relationship exists between. Web the degree of a relationship is the number of entity types that participate (associate) in a relationship.
Web the degree of a relationship is the number of entity types that participate (associate) in a relationship. Web unary relationship (recursive) a unary relationship, also called recursive, is one in which a relationship exists between.