sql_parts
   The table sql_parts contains information about
   which of the several parts of the SQL standard are supported by
   PostgreSQL.
  
Table 36.44. sql_parts Columns
| Column Type Description | 
|---|
| 
        An identifier string containing the number of the part | 
| 
        Descriptive name of the part | 
| 
        
        | 
| 
        Always null, since the PostgreSQL development group does not perform formal testing of feature conformance | 
| 
        Possibly a comment about the supported status of the part |