code: public void put_attribute_alias(Database database, String attname, String aliasname)
              throws DevFailed {
          String[] array = new String[2];
          array[0] = attname;
          array[1] = aliasname;
          DeviceData argIn = new DeviceData();
          argIn.insert(array);
          command_inout(database, "DbPutAttributeAlias", argIn);
      }
docs: ==========================================================================