Define an alias for an attribute

        :param argin: Str[0] = attribute name
        Str[1] = attribute alias
        :type: tango.DevVarStringArray
        :return:
        :rtype: tango.DevVoid

def DbPutAttributeAlias(self, argin):
        """ Define an alias for an attribute

        :param argin: Str[0] = attribute name
        Str[1] = attribute alias
        :type: tango.DevVarStringArray
        :return:
        :rtype: tango.DevVoid """
        self._log.debug("In DbPutAttributeAlias()")

        if len(argin) < 2:
            self.warn_stream("DataBase::DbPutAttributeAlias(): insufficient number of arguments ")
            th_exc(DB_IncorrectArguments,
                   "insufficient number of arguments to put attribute alias",
                   "DataBase::DbPutAttributeAlias()")

        attribute_name = argin[0]
        attribute_alias = argin[1]
        self.db.put_attribute_alias(attribute_name, attribute_alias)