Oracle Designer Model, Release 6i
Deletion rules
Deletion rules on USER_OBJECT_INDEX_STORAGE reference properties, i.e. rule if referenced element is deleted
| Reference Property | Deletion Rule |
| STORAGE_DEFINITION_REFERENCE | Block attempt to delete STORAGE_DEFINITION |
| TABLESPACE_REFERENCE | Block attempt to delete TABLESPACE |
| CLUSTER_REFERENCE | Cascade delete, if CLUSTER_IMPLEMENTATION deleted (Owning foreign key) |
| INDEX_REFERENCE | Cascade delete, if INDEX deleted |
| PRIMARY_KEY_REFERENCE | Cascade delete, if PRIMARY_KEY_CONSTRAINT deleted |
| SNAPSHOT_REFERENCE | Cascade delete, if SNAPSHOT_IMPLEMENTATION deleted (Owning foreign key) |
| TABLE_IMPLEMENTATION_REFERENCE | Cascade delete, if TABLE_IMPLEMENTATION deleted (Owning foreign key) |
| UNIQUE_KEY_REFERENCE | Cascade delete, if UNIQUE_KEY_CONSTRAINT deleted |
Impact on child element types if USER_OBJECT_INDEX_STORAGE 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_PARTITIONS | INDEX_PARTITION.INDEX_STORAGE_REFERENCE |
| Cascade delete PARTITION_KEY_ENTRIES | PARTITION_KEY_ENTRY.INDEX_STORAGE_REFERENCE |