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