Installfest Research

Trent Shipley plug-devel@lists.PLUG.phoenix.az.us
Tue Apr 5 12:06:02 2005


On Tuesday 2005-04-05 13:10, Bryan.ONeal@asu.edu wrote:
> Data Model:  No I have been swamped!  If I have the time tomorrow after
> class I will put one together, but since I get home around 11:00pm and I
> get up at 5:00am, I may just go to bed ;)

Don't worry about it.  I do not think it is a critical deliverable for the=
=20
meeting.

DON'T SPEND TIME on a data model now!


> Instance: As referral to a unique item that remains unique in all
> instances, perhaps from a master table, or the many-to-many integration of
> one or more generalities to create a solidified representation of a
> transaction.  In a broader since it is also used to denote the difference
> between a concrete item and a generic.  Thinking of it in the
> representations of cars, a car can be composed of make, model, year, etc=
=20
> And we may have 100 of them on our lot, but once we add the VIN we only
> ever have one car that will never change.

> Perhaps not the best description, (I am dead tired) but basically it is a
> designation that the items stored in the table are all unique inside and
> outside the reference of the single tables tupple.  So a PC or an
> Instillation may be generic representations or the may be concrete
> representations; thus PC (Instance) refers to a single PC.

That is what I thought at first.


> On Tue, 5 Apr 2005, Trent Shipley wrote:
> > On Thursday 2005-03-31 23:23, Bryan.ONeal@asu.edu wrote:
> > > Quoting Trent Shipley <tshipley@deru.com>:

> > > I will work on a data model (maybe tomorrow night) and let you know
> >
> > Bryan, did you ever get around to that data model?
> >
> > If not it is no big deal.
> >
> >
> > In this context I am not familiar with 'instance' as a technical term. =
 I
> > assume you are using it to mean "an item" or "for each item or instance=
".
> >
> > > and requires tracking of
> > > Users (instance) - Demographic info -Related to- Install instance,
> > > gifts (instance), etc=85
> > > Volunteers (instance) - Related to- Skills, Donations (instance),
> > > Presentations, Installs (instance), Equipment (Instance), etc=85.
> > > Equipment (instance)- Related to- Responsible volunteer, Purpose, etc=
=85
> > > Gifts=85
> > > Users computer as instance built from generals
> > > Distro's installed
> > > Apps installed
> > > Locations,
> > > Waivers, and other legal documents and contracts..
> > > Etc, etc, etc.
> >
> > Rephrasing the above I get:

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