Reads all users in a database.

        :params str database_link:
            The link to the database.
        :params dict options:
            The request options for the request.
        :return:
            Query iterable of Users.
        :rtype:
            query_iterable.QueryIterable

def ReadUsers(self, database_link, options=None):
        """Reads all users in a database.

        :params str database_link:
            The link to the database.
        :params dict options:
            The request options for the request.
        :return:
            Query iterable of Users.
        :rtype:
            query_iterable.QueryIterable

        """
        if options is None:
            options = {}

        return self.QueryUsers(database_link, None, options)