Use sp_drv_locator_to_unitext which accesses the Transact-SQL
      function return_lob.
Syntax
        
        
          sp_drv_locator_to_unitext locator
         
       
Input Parameters
        
        locator – unitext_locator to retrieve value of.
       
Result Set
        
        A column containing the unitext value referenced by
            locator.