Oracle Designer Model, Release 6i
Deletion rules
Deletion rules on COLUMN_QUALIFIED_ATTRIBUTE reference properties, i.e. rule if referenced element is deleted
| Reference Property | Deletion Rule |
| TABLE_DEFINITION_REFERENCE | Cascade delete, if TABLE_DEFINITION deleted (Owning foreign key) |
| CLUSTER_COLUMN_REFERENCE | Nullify reference, if CLUSTER_COLUMN deleted |
| SCOPE_TABLE_REFERENCE | Nullify reference, if TABLE_DEFINITION deleted |
Impact on child element types if COLUMN_QUALIFIED_ATTRIBUTE is deleted
| Impact on children | Via child reference property |
| Nullify reference on KEY_COMPONENT | KEY_COMPONENT.FOREIGN_CQA_REFERENCE2 |
| Cascade delete ATTRIBUTE_QUALIFIERS | ATTRIBUTE_QUALIFIER.CQA_REFERENCE |
| Cascade delete COLUMN_STORAGES | COLUMN_STORAGE.CQA_REFERENCE |
| 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.CQA_REFERENCE |
| Cascade delete KEY_COMPONENTS | KEY_COMPONENT.CQA_REFERENCE |
| Block, if DATASTRUCTURE_ITEMS exist | DATASTRUCTURE_ITEM.CQA_REFERENCE |
| Block, if KEY_COMPONENTS exist | KEY_COMPONENT.FOREIGN_CQA_REFERENCE |