[Catalyst] 'might have' relationships?

[David Storrs]

Am 20.06.2005 um 00:55 schrieb James Tolley:

> Also, unless I missed
> something, it doesn't handle might_have or many-to-many mapping
> relationships. Are there plans to handle these issues?

What is a "might have" relationship (*)?  I'm not familiar with the  
term, and Google is not finding anything on it.

--Dks


(*) I can figure out that it is the term for when an A 'might have' a  
B; I'm looking for a bit more depth.