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