Re: Examples of SQL anomalies?
Date: Thu, 3 Jul 2008 19:42:33 -0700 (PDT)
On Jul 3, 9:48 pm, "Brian Selzer" <br..._at_selzer-software.com> wrote:
> >"JOG" <j..._at_cs.nott.ac.uk> wrote in message
> >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?
> 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 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 - 21:42:33 CDT