• Subject: Re: Design shift of view
  • From: "James W. Kilgore" <qappdsn@xxxxxxx>
  • Date: Sat, 25 Jul 1998 08:42:48 -0700
  • Organization: Progressive Data Systems, Inc.



Robert Montague wrote:

> Hi
>
> Someone referenced the header/detail/footer concept and sort of linked
> it with MFCU's etc.   I think it is merely a logical result of an order.  I
> could
> go to a 1000 companies and their order and invoice printouts would be
> eminently similar, not because the programmer or management wants it
> that way--but perhaps the customer likes to see a detail invoice and the
> shipping company might need an address to ship to and the accounting
> department might like to receive the remittance at a certain address.
>

That was me.

It's the storage of information I was referring to, not the presentation.

You are correct in that this is the way the forms appear. (and always will)  The
question I rose was why should the underlying files look this way. I correlated
that we store disk data the same way we stored punched card data. Unit record
processing.

Although we can pick any length of record we want, we are still doing unit 
record
processing. Both logically within the program, and physically within the disk
file.

The question then became, how can we logically do what we have always done, yet
change the underlying physical constraints of a "record" in order to permit
dynamic changes to a files structure while an application is in use.

James W. Kilgore
qappdsn@ibm.net


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