Oracle Designer Model, Release 6i
Deletion rules
Deletion rules on KEY_BASED_LINK reference properties, i.e. rule if referenced element is deleted
| Reference Property | Deletion Rule |
| JOIN_CONSTRAINT_REFERENCE | Block attempt to delete JOIN_CONSTRAINT |
| PRIMARY_KEY_REFERENCE | Block attempt to delete PRIMARY_KEY_CONSTRAINT |
| MODULE_REFERENCE_TO | Cascade delete, if GENERAL_MODULE deleted |
| MODULE_REFERENCE_FROM | Cascade delete, if GENERAL_MODULE deleted (Owning foreign key) |
| MCN_REFERENCE_TO | Cascade delete, if MODULE_COMPONENT_INCLUSION deleted |
| MCN_REFERENCE_FROM | Cascade delete, if MODULE_COMPONENT_INCLUSION deleted |
| TABLE_USAGE_REFERENCE_FROM | Cascade delete, if MODULE_DETAIL_TABLE_USAGE deleted |
| TABLE_USAGE_REFERENCE_TO | Cascade delete, if MODULE_DETAIL_TABLE_USAGE deleted |
Impact on child element types if KEY_BASED_LINK 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 |