Oracle Designer Model, Release 6i
Deletion rules
Deletion rules on ARGUMENT_ITEM_USAGE reference properties, i.e. rule if referenced element is deleted
| Reference Property | Deletion Rule |
| ITEM_REFERENCE | Cascade delete, if ITEM deleted |
| MODULE_ARGUMENT_REFERENCE | Cascade delete, if MODULE_ARGUMENT deleted (Owning foreign key) |
Impact on child element types if ARGUMENT_ITEM_USAGE is deleted
| Impact on children | Via child reference property |
| Cascade delete DIAGRAM_ELEMENT_USAGES | DIAGRAM_ELEMENT_USAGE.CIELEMENT_REFERENCE |