| Column | MySQL Type | Oracle Type | Nullable | Description | 
|---|---|---|---|---|
| TermWID | BIGINT | NUMBER | No | Reference to a term. | 
         
| OtherWID | BIGINT | NUMBER | No | The WID of the object associated with this term. | 
         
| Relationship | VARCHAR | VARCHAR2(50) | Yes | Enumeration. Enumerated Values: 
            keyword - The term is a keyword that characterizes the object. superclass - The term names a class, and the object is an instance or a subclass of that class.  | 
         
| Column | References | 
|---|---|
| OtherWID | Chemical : WID | 
| OtherWID | Reaction : WID | 
| OtherWID | Protein : WID | 
| OtherWID | Feature : WID | 
| OtherWID | Function : WID | 
| OtherWID | EnzymaticReaction : WID | 
| OtherWID | GeneticCode : WID | 
| OtherWID | Division : WID | 
| OtherWID | Taxon : WID | 
| OtherWID | BioSource : WID | 
| OtherWID | BioSubtype : WID | 
| OtherWID | NucleicAcid : WID | 
| OtherWID | Subsequence : WID | 
| OtherWID | Gene : WID | 
| OtherWID | Pathway : WID | 
| OtherWID | Term : WID | 
| OtherWID | Computation : WID | 
| OtherWID | Citation : WID | 
| OtherWID | Contact : WID | 
| OtherWID | Archive : WID | 
| OtherWID | Experiment : WID | 
| OtherWID | ExperimentData : WID | 
| OtherWID | Support : WID | 
| Name | Columns | 
|---|---|
| TO_RelatedTerm | TermWID,OtherWID | 
| OT_RelatedTerm | OtherWID,TermWID |