def DbDeleteDeviceAlias(self, argin):
        """ Delete a device alias.

        :param argin: device alias name
        :type: tango.DevString
        :return:
        :rtype: tango.DevVoid """
        self._log.debug("In DbDeleteDeviceAlias()")
        self.db.delete_device_alias(argin)
Delete a device alias.

        :param argin: device alias name
        :type: tango.DevString
        :return:
        :rtype: tango.DevVoid