Reads all collections in a database.

        :param str database_link:
            The link to the database.
        :param dict options:
            The request options for the request.
            
        :return: Query Iterable of Collections.
        :rtype:
            query_iterable.QueryIterable

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

        :param str database_link:
            The link to the database.
        :param dict options:
            The request options for the request.
            
        :return: Query Iterable of Collections.
        :rtype:
            query_iterable.QueryIterable

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

        return self.QueryContainers(database_link, None, options)