A name that describes the meaning or role of the relation. For example, one relation to a Department table could track the department that the employee currently belongs to. Meanwhile another relation could track the department that the employee has requested transfer to.irst image-shows the properties on a table relation, and the value of the RelatedTableRole property is highlighted. Second image-shows the properties on a data source relation under a query. We see that the value for the JoinRelation property is a copy of the value for the RelatedTableRole.