Answer:
RECURSIVE RELATIONSHIP
Explanation:
Recursive relationship is a relationship between an entity or two entities of similar entity or it self.
In Recursive relationship the same entity type participates more than once in a relationship type with a different role for each instance making it possible for the same entity to participate in the relationship.
Recursive relationship also means when an entity is in a multiple relationship type with various roles. Example the entity might be person. An attribute of the entity might be father, which is a PERSON itself. A recursive relationship is when one row in the person table refers to another row in the same person table.
