@classmethod
def get_full_info(cls):
    """Returns a sequence of all available SQL Modes

        This class method returns a tuple containing all SQL Mode names. The
        names will be alphabetically sorted.

        Returns a tuple.
        """
    res = []
    for key in vars(cls).keys():
        if not key.startswith('_') and not hasattr(getattr(cls, key),
            '__call__'):
            res.append(key)
    return tuple(sorted(res))
