Re: Examples of SQL anomalies?
Date: Thu, 3 Jul 2008 23:44:41 -0400
> "JOG" <jog_at_cs.nott.ac.uk> wrote in message news:5b32834f-b082-42ba-a1f5-
> On Jul 3, 9:48 pm, "Brian Selzer" <br..._at_selzer-software.com> wrote:
> > >"JOG" <j..._at_cs.nott.ac.uk> wrote in message
> > >news:fc052479-4abb-415d-89fa->8cb5cd432__BEGIN_MASK_n#9g02mG7!__...__END_MASK_i?
> > >I normally accord to the definitions:
> > >information = datum + meaning
> > >datum = value + description
> > >These are useful, succinct and accord nicely with [ISO 2382-1:1984]:
> > >“Data: A representation of facts, concepts, or instructions in a
> > >normalized manner suitable for communication, interpretation, or
> > >processing by humans or by automatic means”, while giving something a
> > >bit more formalized in terms of data theory.
> > >In terms of defining value both the output of a function or the
> > >element of a set seem fine, but then defining a value as being some
> > >amount or quantity also seems fine.
> > I have a different take:
> > A value has no value except that which is assigned to it under an
> > interpretation: a value is not the output of just /any/ function, but
> > rather
> > /the/ function that maps language terms to what those terms mean.
> that's similar to what I said no? value + description?
I don't think so. A value is still a value even without being described or formatted. It is what a language term such as an individual name means.
> > Information is just one or more values.
> so you don't incorporate a "meaning" into information? I don't think I
> could agree with you there.
A value is what a term means--whether that term be as simple as an individual name or as complex as a definite description. So information being just--or if you will, incorporating--one or more values thus incorporates meaning.
> > A datum is simply a formatted value that cannot be broken down into a
> > collection of component values that means the same thing.
> > Data is just formatted information.
Received on Thu Jul 03 2008 - 22:44:41 CDT