Re: Ping: dawn, some mvl questions

"dawn" <dawnwolthuis_at_gmail.com> wrote in message news:1148179001.594273.146590_at_38g2000cwa.googlegroups.com...
> Kenneth Downs wrote:
> > Dawn,
> >
> > One of my practical objections to MVL is that it obscures data. I'd
like to
> > know what you might offer to that objection.
>
> I'm not sure what MVL is, but I'm guessing the MV part is the Pick MV
> (multivalue). Is the L for list? language? If so, which language?
>
> > I am in the school of thought that says that if you need a list, make a
> > table,
>
> How 'bout if you need a list, make a list?

How about, if you need a set, make a table, and if you need a list, make a table?

>
> > that's what the RM is for. Then if you need to manipulate that
> > list, use SQL.
>
> Been there.

Been there. Still there. Have yet to see what's wrong with it.

> LIST STUDENTS WITH EVERY MAJOR != 'MATH'
>
> That will give you an idea of the charm of the queries in MV.
>

Charmed, I'm sure. Why wouldn't the above syntax work if the data were stored in tables instead of MV data structures?

> Let me know if that did not make sense. Thanks. --dawn

Yes, it did not make sense. Received on Sun May 21 2006 - 21:36:15 CEST