Oracle Designer Model, Release 6i
Deletion rules
Deletion rules on SNAPSHOT_DEFINITION reference properties, i.e. rule if referenced element is deleted
| Reference Property | Deletion Rule |
| CLUSTER_REFERENCE | Block attempt to delete CLUSTER |
Impact on child element types if SNAPSHOT_DEFINITION is deleted
| Impact on children | Via child reference property |
| Cascade delete ASSUMPTION_TO_TABLES | ASSUMPTION_TO_TABLE.TABLE_REFERENCE |
| Cascade delete COLUMNS | COLUMN.TABLE_REFERENCE |
| Cascade delete CONSTRAINTS | CONSTRAINT.TABLE_REFERENCE |
| Cascade delete DATABASE_SYNONYMS | DATABASE_SYNONYM.SNAPSHOT_DEFINITION_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 FOLDER_MEMBERS | FOLDER_MEMBER.MEMBER_OBJECT |
| Cascade delete RELATION_INDEXES | RELATION_INDEX.SNAPSHOT_DEFINITION_REFERENCE |
| Cascade delete RELATION_SELECTIONS | RELATION_SELECTION.VIEW_REFERENCE |
| Cascade delete SERVER_OBJECT_USAGES | SERVER_OBJECT_USAGE.CIELEMENT_REFERENCE |
| Cascade delete SET_MEMBER_ITEMS | SET_MEMBER_ITEM.ELEMENT_REFERENCE |
| Cascade delete SNAPSHOT_IMPLEMENTATIONS | SNAPSHOT_IMPLEMENTATION.SNAPSHOT_DEFINITION_REFERENCE |
| Cascade delete TABLES_ENTITIES | TABLE_ENTITY.TABLE_REFERENCE |
| Block, if JOIN_CONSTRAINTS exist | JOIN_CONSTRAINT.FOREIGN_TABLE_REFERENCE |
| Block, if MODULE_DETAIL_TABLE_USAGES exist | MODULE_DETAIL_TABLE_USAGE.TABLE_REFERENCE |
| Block, if RELATION_SELECTIONS exist | RELATION_SELECTION.TABLE_REFERENCE |