Oracle Designer Model, Release 6i
Deletion rules
Deletion rules on VIEW_DEFINITION reference properties, i.e. rule if referenced element is deleted
| Reference Property | Deletion Rule |
| ORACLE_OBJECT_TYPE_REFERENCE | Nullify reference, if ORACLE_OBJECT_TYPE deleted |
Impact on child element types if VIEW_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.VIEW_DEFINITION_REFERENCE |
| Cascade delete DATABASE_TRIGGERS | DATABASE_TRIGGER.VIEW_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 MAPPING_ELEMENTS | MAPPING_ELEMENT.SOURCE_CIELEMENT_REFERENCE |
| Cascade delete MAPPING_ELEMENTS | MAPPING_ELEMENT.TARGET_CIELEMENT_REFERENCE |
| Cascade delete PREFERENCE_SET_USAGES | PREFERENCE_SET_USAGE.CIELEMENT_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 TABLES_ENTITIES | TABLE_ENTITY.TABLE_REFERENCE |
| Cascade delete USER_PREFERENCES | USER_PREFERENCE.CIELEMENT_REFERENCE |
| Cascade delete VIEW_IMPLEMENTATIONS | VIEW_IMPLEMENTATION.VIEW_DEFINITION_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 |