Name
   DROP TYPE
   --    Removes user-defined types from the system catalogs
  
Synopsis
DROP TYPE typename [, ...]
  
    Inputs
   
    
- typename
- 	The name of an existing type.
        
    Outputs
   
    
- DROP
       
- 	The message returned if the command is successful.
        
- ERROR:  RemoveType: type 'typename' does not exist
       
- 	This message occurs if the specified type is not found.
        
   Description
  
   DROP TYPE will remove a user type from the
   system catalogs.
  
   Only the owner of a type can remove it.
  
    Notes
   
    DROP TYPE statement is a Postgres
    language extension.
   
    Refer to CREATE TYPE for
    information on how to create types.
   
    It is the user's responsibility to remove any operators,
    functions, aggregates, access methods, subtypes, and tables
    that use a deleted type.
   
    If a built-in type is removed, the behavior of the backend
    is unpredictable.
   
   Usage
  
   To remove the box type:
   
DROP TYPE box;
   
     Compatibility
  
    SQL3
   
    DROP TYPE is a SQL3 statement.