Oracle Designer Model, Release 6i
Deletion rules
Deletion rules on ATTRIBUTE_DERIVATION_RULE reference properties, i.e. rule if referenced element is deleted
| Reference Property | Deletion Rule |
| CLASSIFIER_ATTRIBUTE_REFERENCE | Cascade delete, if CLASSIFIER_ATTRIBUTE deleted (Owning foreign key) |
| LANGUAGE_REFERENCE | Nullify reference, if LANGUAGE deleted |
| METHOD_REFERENCE | Nullify reference, if METHOD deleted |
Impact on child element types if ATTRIBUTE_DERIVATION_RULE 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 MEMBER_COMPONENTS | MEMBER_COMPONENT.ATTRIBUTE_DERIV_RULE_REFERENCE |
| Cascade delete METHOD_RULE_USAGES | METHOD_RULE_USAGE.ATTRIBUTE_DERIV_RULE_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 |