Re: Object-relational impedence

From: Marshall <>
Date: Sat, 15 Mar 2008 19:32:37 -0700 (PDT)
Message-ID: <>

On Mar 15, 4:49 pm, (rpost) wrote:
> Marshall wrote:
> >The "vague collections" idea is not a good one IMHO.
> >Because you can get more or less everything you want
> >with relations. (Surprise! I like relations! :-)
> But you often get more (e.g. you don't always need the
> uniqueness of elements).

There is really only one collection type where that is strictly true: bags. Bags seem to me to be the singularly least useful data structure I have encountered. Even so, they are acceptably encoded as relations over <element, count.>

Marshall Received on Sun Mar 16 2008 - 03:32:37 CET

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