In certain cases,adding an additional attribute to and entity can be used in place of a self-referencing relationship.

Question

Quizplus · Accepted Answer

Instead of creating a self-referencing relationship between an entity and itself, sometimes an additional attribute can be added to the entity to achieve the same purpose. For example, instead of creating a separate "manager" entity and linking employees to their respective managers, an attribute "manager_id" can be added to the employee entity to indicate the ID of their manager. This can simplify the data model and reduce the complexity of queries.

In Certain Cases,adding an Additional Attribute to and Entity Can