8.3.3 Relationship Classes
The object-based data model such as the geodatabase can support relationships between objects. When used for attribute data management, a relationship 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 relationships, records in the origin are directly linked to records in the destination, but for the many-to-many . 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
8.3.3 Relationship Classes The object-based data model such as the geodatabase can support relationships between objects. When used for attribute data management, a relationship 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 relationships, records in the origin are directly linked to records in the destination, but for the many-to-many . 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
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