Oracle Designer Model, Release 6i
Deletion rules
Deletion rules on ACTIVITY_USAGE reference properties, i.e. rule if referenced element is deleted
| Reference Property | Deletion Rule |
| ACTIVITY_REFERENCE | Cascade delete, if ACTIVITY_DEFINITION deleted (Owning foreign key) |
| ORGANIZATION_UNIT_REFERENCE | Cascade delete, if ORGANIZATION_UNIT deleted |
| ACTIVITY_USAGE_REFERENCE | Nullify reference, if ACTIVITY_USAGE deleted |
| ACTIVITY_USAGE_ERROR_REFERENCE | Nullify reference, if ACTIVITY_USAGE deleted |
| WORKFLOW_ITEM_TYPE_REFERENCE | Nullify reference, if WORKFLOW_ITEM_TYPE deleted |
| WORKFLOW_MESS_TYPE_REFERENCE | Nullify reference, if WORKFLOW_MESSAGE_TYPE deleted |
Impact on child element types if ACTIVITY_USAGE is deleted
| Impact on children | Via child reference property |
| Nullify reference on ACTIVITY_USAGE | ACTIVITY_USAGE.ACTIVITY_USAGE_ERROR_REFERENCE |
| Nullify reference on ACTIVITY_USAGE | ACTIVITY_USAGE.ACTIVITY_USAGE_REFERENCE |
| Cascade delete ACTOR_USAGES | ACTOR_USAGE.ACTIVITY_USAGE_REFERENCE |
| Cascade delete DIAGRAM_ELEMENT_USAGES | DIAGRAM_ELEMENT_USAGE.CIELEMENT_REFERENCE |
| Cascade delete ELEMENT_RULE_USAGES | ELEMENT_RULE_USAGE.CIELEMENT_REFERENCE |
| Cascade delete TAGGED_VALUES | TAGGED_VALUE.ELEMENT_REFERENCE |
| Cascade delete TRANSITIONS | TRANSITION.SOURCE_ACT_USAGE_REFERENCE |
| Cascade delete TRANSITIONS | TRANSITION.TARGET_ACT_USAGE_REFERENCE |
| Cascade delete UML_DEPENDENCY_CLIENTS | UML_DEPENDENCY_CLIENT.CLIENT_ELEMENT_REFERENCE |
| Cascade delete UML_DEPENDENCY_SUPPLIERS | UML_DEPENDENCY_SUPPLIER.SUPPLIER_ELEMENT_REFERENCE |