Oracle Designer Model, Release 6i
Deletion rules
Deletion rules on FUNCTION_ATTRIBUTE_USAGE reference properties, i.e. rule if referenced element is deleted
| Reference Property | Deletion Rule |
| ATTRIBUTE_REFERENCE | Cascade delete, if ATTRIBUTE deleted |
| FUNCTION_REFERENCE | Cascade delete, if FUNCTION deleted (Owning foreign key) |
| FUNENT_REFERENCE | Cascade delete, if FUNCTION_ENTITY_USAGE deleted |
Impact on child element types if FUNCTION_ATTRIBUTE_USAGE is deleted
| Impact on children | Via child reference property |
| Cascade delete DIAGRAM_ELEMENT_USAGES | DIAGRAM_ELEMENT_USAGE.CIELEMENT_REFERENCE |