36.47. sql_packages
  The table
  
   sql_packages
  
  contains information
   about which feature packages defined in the SQL standard are
   supported by
  
   PostgreSQL
  
  .  Refer to
  
   Appendix D
  
  for background information on feature packages.
 
   
    Table 36.45. 
    
     sql_packages
    
    Columns
   
  
| Name | Data Type | Description | 
|---|---|---|
       
        feature_id
       
       | 
      
       
        character_data
       
       | 
      Identifier string of the package | 
       
        feature_name
       
       | 
      
       
        character_data
       
       | 
      Descriptive name of the package | 
       
        is_supported
       
       | 
      
       
        yes_or_no
       
       | 
      
       
        YES
       
       if the package 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 package |