Oracle Designer Model, Release 6i
Deletion rules
Deletion rules on RELATION_INDEX reference properties, i.e. rule if referenced element is deleted
| Reference Property | Deletion Rule |
| SNAPSHOT_DEFINITION_REFERENCE | Cascade delete, if SNAPSHOT_DEFINITION deleted (Owning foreign key) |
| TABLE_DEFINITION_REFERENCE | Cascade delete, if TABLE_DEFINITION deleted (Owning foreign key) |
| FOREIGN_KEY_REFERENCE | Nullify reference, if FOREIGN_KEY_CONSTRAINT deleted |
Impact on child element types if RELATION_INDEX is deleted
| Impact on children | Via child reference property |
| Cascade delete DIAGRAM_ELEMENT_USAGES | DIAGRAM_ELEMENT_USAGE.CIELEMENT_REFERENCE |
| Cascade delete DOCUMENT_ATTACHMENTS | DOCUMENT_ATTACHMENT.ELEMENT_REFERENCE |
| Cascade delete EXTENDED_STRUCTURE_ELEMENTS | EXTENDED_STRUCTURE_ELEMENT.PART_OF_REFERENCE |
| Cascade delete EXTENDED_STRUCTURE_ELEMENTS | EXTENDED_STRUCTURE_ELEMENT.USE_OF_REFERENCE |
| Cascade delete INDEX_ENTRIES | INDEX_ENTRY.RELATION_INDEX_REFERENCE |
| Cascade delete USER_OBJECT_INDEX_STORAGES | USER_OBJECT_INDEX_STORAGE.INDEX_REFERENCE |