ALTER TYPE
Name
   ALTER TYPE    --    change the definition of a type   
Synopsis
ALTER TYPE name OWNER TO new_owner   Description
   ALTER TYPE changes the definition of an existing type.    The only currently available capability is changing the owner of a type.   
Parameters
    
- name
         The name (possibly schema-qualified) of an existing type to         alter.        
- new_owner
         The user name of the new owner of the type.         You must be a superuser to change a type's owner.        
    
Examples
     To change the owner of the user-defined type email    to joe:   
ALTER TYPE email OWNER TO joe;      
Compatibility
   There is no ALTER TYPE statement in the SQL    standard.