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