Oracle Designer Model, Release 6i
Deletion rules
Deletion rules on DATASTRUCTURE_ITEM reference properties, i.e. rule if referenced element is deleted
| Reference Property | Deletion Rule |
| COLUMN_REFERENCE | Block attempt to delete COLUMN |
| CQA_REFERENCE | Block attempt to delete COLUMN_QUALIFIED_ATTRIBUTE |
| DATASTRUCTURE_REFERENCE2 | Block attempt to delete DATASTRUCTURE |
| DOMAIN_REFERENCE | Block attempt to delete DOMAIN |
| ORACLE_TYPE_REFERENCE | Block attempt to delete ORACLE_TYPE |
| PLSQL_MODULE_REFERENCE | Block attempt to delete PLSQL_MODULE |
| CURSOR_REFERENCE | Block attempt to delete PLSQL_MODULE |
| PROGRAM_DATUM_REFERENCE | Block attempt to delete PROGRAM_DATUM |
| TABLE_DEFINITION_REFERENCE | Block attempt to delete TABLE_DEFINITION |
| DATASTRUCTURE_REFERENCE | Cascade delete, if DATASTRUCTURE deleted (Owning foreign key) |
Impact on child element types if DATASTRUCTURE_ITEM 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 |