Re: Who is Glenn Henry?

[Al Barsa <barsa@xxxxxxxxxxxxxxxxxxx>]

The S/34 was a thrown together system using piece parts that had been
developed for the S/38, but was not shipping because CPF was not finished.

The S/36 came out in 1983 or 4, and IBM announced that this was the
follow-on to the S/34.  They announced that it would only come in the one
size, and would never be bigger or smaller.  (Both of which proved to be
lies.)

Join was added in R07M00, and OPNQRYF was added in R08M00.  OPNQRYF was
actually developed as a debugging aid for SQL which was being planned for
the AS/400, and was not included in the R08M00 announcement.  Most of us
heard

Al Barsa, Jr.
Barsa Consulting Group, LLC

400>390

"i" comes before "p", "x" and "z"
e gads

Our system's had more names than Elizabeth Taylor!

914-251-1234
914-251-9406 fax

http://www.barsaconsulting.com
http://www.taatool.com
http://www.as400connection.com



                                                                           
             "Keith Carpenter"                                             
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Actually, the S/38 preceeded both the S/36 and DB2.

Because the S/38 didn't prove to be a popular replacement for the S/34, the
S/36 was introduced to fill the gap.  On the upper end, it competed with
the
small 4300s

Early CPF releases did not have join LFs or OPNQRYF.  IBM did not offer SQL
(I think ASC did).  Classifying it's nameless database as relational was
always debatable.


Keith


----- Original Message -----
From: "Pat Barber" <mboceanside@xxxxxxxxxxxxxxxx>
To: "Midrange Systems Technical Discussion" <midrange-l@xxxxxxxxxxxx>
Sent: Thursday, July 29, 2004 11:51 AM
Subject: Re: Who is Glenn Henry?


> I "suspect" no one individual came up with any of those
> subjects. Remember, the S/38 took a LOT of it's ideas
> from the S/36. The relational data base came from the
> big iron guys who had it for years prior to the S/38.
> The calls came from the big iron folks. The S/38 was
> truly a collection of ideas from everywhere.
>
> CLP was a combo of OCL(S/36) and JCL(MVS) in my opinion.
>
> The S/38 was a very odd bird at the time but really a
> big collection of "other" ideas that finally got put
> in a single machine.
>
> The MI abstract layer was the first of "new" ideas.
> This so called "microcode" was really somthing new at
> the time. It later proved to be a VERY good idea.
>
> Of course the S/36 had microcode several years earlier
> from it's beginning in the S/34 and even much earlier
> with the S/3.(back when the earth's crust was cooling)
>
>
> Steve Richter wrote:
>
> > Who invented command definitions and CL?
> >
> > Who added externally described files to RPG?
> >
> > Who added the CALLX to MI which made it possible for an RPG program to
call
> > another CL/RPG/COBOL program with parameters?
>
>
> --
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