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Taxonomic_Relationship

Description:

 Name                            Null?    Type
 ------------------------------- -------- ----
 TAXONOMIC_CONCEPT_ID            NOT NULL NUMBER
 PARENT_TAXONOMIC_CONCEPT_ID     NOT NULL NUMBER
 TAXONOMIC_RELATIONSHIP_TYPE              VARCHAR2(10)
Primary Key:
Taxonomic_Concept_ID
Foreign Key:
Parent_Taxonomic_Concept_ID references TAXONOMIC_RELATIONSHIP(Taxonomic_Concept_ID)
This table implements hierarchies through the recursive relationship between Taxonomic_Concept_ID and the Parent_Taxonomic_Concept_ID. Taxonomic_Relationship_Types may be Member, Junior synonym, or Synonym (when, for example, the senior name is suppressed or unavailable) to express subordinate and equivalent relationships.


Last updated: 20 November, 1997 by nfj.