Oracle Designer Model, Release 6i
Deletion rules
Deletion rules on USE_CASE_EXTENSION reference properties, i.e. rule if referenced element is deleted
| Reference Property | Deletion Rule |
| EXTENSION_POINT_REFERENCE | Cascade delete, if EXTENSION_POINT deleted |
| USE_CASE_FROM_REFERENCE | Cascade delete, if USE_CASE deleted |
| USE_CASE_REFERENCE | Cascade delete, if USE_CASE deleted (Owning foreign key) |
| NAMED_RULE_REFERENCE | Nullify reference, if NAMED_RULE deleted |
Impact on child element types if USE_CASE_EXTENSION is deleted
| Impact on children | Via child reference property |
| 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 UML_DEPENDENCY_CLIENTS | UML_DEPENDENCY_CLIENT.CLIENT_ELEMENT_REFERENCE |
| Cascade delete UML_DEPENDENCY_SUPPLIERS | UML_DEPENDENCY_SUPPLIER.SUPPLIER_ELEMENT_REFERENCE |