Re: Informix
Posted in 2004
I seem to recall that p-code version of I4GL was in use for at least a year or two when Turbo appeared (1989 +/- 1, I would say). We were running them on Intels under Interactive and Dynix. Otherwise, my recollection agrees with yours :-) Cheers! Dragi Raos Pardus d.o.o. Zagreb, Croatia ----- Original Message ----- From: "Jonathan Leffler" <jleffler@earthlink.net> To: <informix-list@iiug.org> Sent: Tuesday, April 20, 2004 7:20 AM Subject: Re: Informix > chavankoya189@hotmail.com (Chavan Koya) wrote: > >>> About Informix --> http://en.wikipedia.org/wiki/Informix > > The Wiki page claims that Informix used Ingres as a code base. I'm > pretty darned sure I've never seen any Ingres code in any of the > Informix products. Would anyone be aware of such code in Informix? > > I also thought that the first product from RDS was likely to be > C-ISAM, and that Marathon (which was, I thought, a code name for the > product that was later named Informix) was built on top of C-ISAM. > > I see that the Informix Handbook site has a release date of 1984 for > I4GL too - that, I'm 99% sure, is two years early. When I joined > Sphinx in the UK in June 1986, we just started with ISQL 2.00 and I4GL > 1.00 (running under Zeus on Zilog Z8000 boxes, and later on a AT&T > 3B2/400 - a mighty powerhouse of a machine), with ISQL 1.10 also > available as the prior version. ISQL 2.00 was followed by ISQL 2.10 > (I4GL 1.10) and then ISQL 2.10.03 (I4GL 1.10.03 - which introduced the > p-code system). Turbo was also released about then. One reason for > the version number .03 was to avoid renumbering the software as ISQL > 3.x since that would have caused confusion with the pre-SQL version of > Informix 3.30, which was still too recent for comfort. That was why > the unified version numbering jumped to version 4.00 - to avoid that > confusion. (I note that ESQL/C for ISQL 2.x had a 3.x version number.) > > Does anybody want to correct this version of history? > > OK - calling a 3B2/400 a powerhouse is a little far-fetched, but the rest? > > -- > Jonathan Leffler #include <disclaimer.h> > Email: jleffler@earthlink.net, jleffler@us.ibm.com > Guardian of DBD::Informix v2003.04 -- http://dbi.perl.org/ > > sending to informix-list