Re: Closed system (was: PC connection via twinax ?)

"In any case Sequel/38 came out shortly after this project folded.
They obviously had access to info not generally available at the time."

This may be a good example of: "post hoc ergo propter hoc" or "after
this therefore because of this"

The IBM query product that was being developed by a third party for IBM and
was canceled at the last minute that you speak
of I believe eventually was sold by a private party as IQ/38.

Ken Kelley and ASC developed their product from scratch using the S/38
documentation that was publicly available (but not widely known).  They
figured out the hard parts that weren't documented.

The Data Areas manual was a regular public IBM publication, and the
pub number was published in the very first issue of Q/38.  I am
certain about this. I have _all_ the issues of Q/38.  Thanks, Bob!


Charly Jones
253 265-6244
Gig Harbor Washington

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>From: rorr@volante.com.au
>
> > From: "Leif Svalgaard" <leif@leif.org>
> > ASC's SEQUEL was only written because
> > somebody lent the "Data Area Manual" (that documents
> > internal stuff on the S/38) to the author of SEQUEL.
> > So SEQUEL uses information NOT available to the
> > AS/400 programmers of today.
> >
> > Leif,
>
>The way I heard it was that the original developers of Sequel were
>subcontracted to Rochester to write an enhancement/addon to Query/38. When
>almost finished the project was canned (rumor was performance/capacity
>issues, but who knows). They either were allowed to keep/buy some of the
>code or were able to recode with what they had learnt. In any case
>Sequel/38 came out shortly after this project folded. They obviously had
>access to info not generally available at the time.
>
>Rod Orr
>


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