36.48. sql_parts
  The table
  
   sql_parts
  
  contains information about
   which of the several parts of the SQL standard are supported by
  
   PostgreSQL
  
  .
 
   
    Table 36.46. 
    
     sql_parts
    
    Columns
   
  
| Name | Data Type | Description | 
|---|---|---|
       
        feature_id
       
       | 
      
       
        character_data
       
       | 
      An identifier string containing the number of the part | 
       
        feature_name
       
       | 
      
       
        character_data
       
       | 
      Descriptive name of the part | 
       
        is_supported
       
       | 
      
       
        yes_or_no
       
       | 
      
       
        YES
       
       if the part is fully supported by the
       current version of
       
        PostgreSQL
       
       ,
       
        NO
       
       if not
       | 
     
       
        is_verified_by
       
       | 
      
       
        character_data
       
       | 
      Always null, since the PostgreSQL development group does not perform formal testing of feature conformance | 
       
        comments
       
       | 
      
       
        character_data
       
       | 
      Possibly a comment about the supported status of the part |