def update(self, t_obj):
        """[update table]

        Arguments:
            t_obj {[objs of DeclarativeMeta]} -- [update the table]
        """

        if isinstance(t_obj, Iterable):
            self._session.add_all(t_obj)
        else:
            self._session.add(t_obj)
[update table]

        Arguments:
            t_obj {[objs of DeclarativeMeta]} -- [update the table]