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