Relationship is a type of control that enables the user to define a 'to-many' relationship.
Refer to Relationships for more details about how records can be related to each other, and about the meaning and behavior of these relationship settings.
There are two types of Relationship fields, defined in the RELATIONSHIP TYPE tab:
- One to Many
- Many to Many
Type | Description | Example |
---|---|---|
One to Many | One item points to multiple related items | Department has Employees |
Many to Many | Many items point to multiple related items, but does not strongly own them. | Students study Subjects |
Refer to Relationships for more details about relationship types.
Ownership Properties
Ownership can also be defined on Relationships, there are two types:
- No Ownership
- Full Ownership
Type | Ownership | Description | Example |
---|---|---|---|
Many to One | No Ownership | A normal lookup. Points to a single resource, but neither is owned by the other | Employee is in Department |
Many to One | Full ownership | This resource is owned by the resource being pointed to | Plan Step belongs to Plan |
One to One | No Ownership | A normal lookup. Points to a single resource, but neither is owned by the other | Car has Engine |
One to One | Full Ownership | This resource is owned by the resource being pointed to | Each Student has a User Account |
Refer to Relationships for more details about relationship ownership.
Refer to Security Relationships for information about the Security settings that are available on a relationship.