8.3.3 Relationship Classes us- The object-based data model such as the geoda eign tabase can support relationships between objects. rom When used for attribute data management, a rela- e at- tionship is predefined and stored as a relationship the class in a geodatabase. A relationship class can have can the cardinalities of one-to-one, many-to-one, one A to many, and many-to-many. For the first three rela- one- tionships, records in the origin are directly linked to ne- records in the destination, but for the many-to-many ord. relationship, an intermediate table must first be set s in up to sort out the associations between records in the the origin and the destination. When present in a