Peter Brawley
peter.brawley at earthlink.net
Mon Jul 18 14:59:45 CDT 2005
Those mentioned, plus a few understandably overlooked (Recital, Quicksilver, VpInfo, Sharkbase, dbMan), are listed at http://fox.wikis.com/wc.dll?Wiki~xbase. PB ----- MartyConnelly wrote: > A couple of old mainframe database ported to the PC. > Well Sybase was ported to the PC and became MS SQL Server. The SAP DB > that is now MaxSQL from MySQL > was a 1990 code fork from ADABAS-D > I go back to the Network ISAM DB called GIS (General Information > Services) for IBM 360's or IBM IMS. > or Honeywell's IDS 2 (This was Codysl based) for GCOS or Multics > around 1978.. > I wrote a lot of Cobol for VSAM files which were single ISAM indexed > tables. > > Then I have written simple quadtree octtree and B* Tree databases in C > for simple Geographic Information Systems > and grad database courses. PS these courses are very easy if you have > written a couple of commercial versions previously. > Hey I was top of my class in one, of course it helps if nearly > everyone else dropped out. Went from 30 to 3 students at the end. > Oddly enough 90 % of the class were Canadian IT based civil servants. > Most dropped out because the math was over their head. > > There is still a long lasting commercial C code, B tree database that > uses these methods which has very fast and small footprint, > CodeBase is from Sequitur Software in Edmonton. > > And who can forget Btrieve which formed a lot of DB products in the > 80's for 8086 PC's. > Novell bought it then it slowly disappeared. > Or ZIM an entity relational database written in Mid 80's by Mike Chin > a student of Codd. > I think ZIM is still sold by Sterling or Stirling Software. > > > > Shamil Salakhetdinov wrote: > >> <<< >> in particular with reference to Codysyl, >> >> >> The main CODASYL proposals based system for mainframes was IDMS (on the >> West). >> Was it ported to PC? >> dbVista (Raima Data Manager) is also known as based on CODASYL >> proposals.. >> >> Here in Russia (Soviet Union) in ancient now times of 80ies I worked >> in a >> team, >> which developed CODASYL proposals based DBMSs: >> first for IBM 360/370, then for PDP11 and then for IBM PC. >> The version for IBM370 was tested against IDMS and it was >> better/comparable >> in the speed etc. >> These all were success story projects, the application systems using >> these >> DBMSe were developed and used in exUSSR but then Perestroyka-Glasnost >> came >> and all that went nowhere because of economical chaos and uncertainty >> about >> the future... >> >> Shamil >> >> ----- Original Message ----- From: "Arthur Fuller" <artful at rogers.com> >> To: "'Discussion of Hardware and Software issues'" >> <dba-tech at databaseadvisors.com> >> Sent: Sunday, July 17, 2005 3:33 AM >> Subject: RE: [dba-Tech] Dearly Departed Databases (R.I.P.) >> >> >> >> >>> I forgot to mention that I did find these links: >>> >>> http://wwwdb.web.cern.ch/wwwdb/aboutdbs/history/cern.html >>> >>> and >>> >>> http://wwwdb.web.cern.ch/wwwdb/aboutdbs/history/industry.html >>> >>> but found them lacking, in particular with reference to Codysyl, >>> hierarchical and network database history. Most of the PC history is >>> >> >> readily >> >> >>> available, at least in terms of birthdate (deathdate is another issue), >>> >> >> but >> >> >>> I am particularly interested in the chronology of the designs named >>> above, >>> their progenitors, their lifespans, their utility, and their >>> demises. In >>> addition to the same for the PC products I named as well as any others >>> >> >> that >> >> >>> achieved some popularity or at least reputations for excellence. >>> >>> Arthur >>> >>> -----Original Message----- >>> From: dba-tech-bounces at databaseadvisors.com >>> [mailto:dba-tech-bounces at databaseadvisors.com] On Behalf Of Arthur >>> Fuller >>> Sent: July 16, 2005 7:28 PM >>> To: 'Discussion of Hardware and Software issues' >>> Subject: [dba-Tech] Dearly Departed Databases (R.I.P.) >>> >>> For some reason it occurred to me today to compile a list of >>> databases I >>> once used (and perhaps more than once), once loved, and once even >>> deployed >>> an app against. I tried a few googles on subjects approximating the >>> >> >> subject >> >> >>> but came up with nothing relevant. >>> >>> So I am proposing this tentative list -- not meant to be exhaustive, >>> but >>> rather just OTTOMH... the ultimate goal being to compile a list of when >>> >> >> the >> >> >>> products went off the market, when the companies folded or were >>> sold, and >>> >> >> so >> >> >>> on. For the Brits on the list, let`s call it Desert Island >>> Databases. LOL. >>> >>> dBASE II... became dBASE III, begat dBASE IV (still Ashton-Tate, but >>> then >>> Borland bought the latter and tried dBASE V and it went nowhere, IIRC). >>> >>> FoxBase begat FoxPro... was bought by MS and still exists, in radically >>> different cloth. >>> >>> Revelation... lost track long ago... no idea what happened on this >>> score. >>> >>> Clarion... fabulous executables, dumb-ass language... no idea what >>> >> >> happened >> >> >>> to them. >>> >>> Paradox... is it still for sale... no idea. >>> >>> Btrieve... the history of this baby eludes me... seems to have >>> undergone a >>> number of evolutions and buyouts but I have no detail. >>> >>> Knowledgeman... lost track more than a decade ago. >>> >>> InfoStar (this is really for the geriatrics in this list!). No idea >>> what >>> happened here. >>> >>> (This list is obviously PC-centric, but I would love some contributions >>> >> >> from >> >> >>> those aware of the histories of various mini, midi and mainframe >>> >> >> databases.) >> >> >>> TIA to any and all who can contribute obituaries or documentation of >>> reincarnations. >>> >>> Arthur >>> >>> >>> _______________________________________________ >>> dba-Tech mailing list >>> dba-Tech at databaseadvisors.com >>> http://databaseadvisors.com/mailman/listinfo/dba-tech >>> Website: http://www.databaseadvisors.com >>> >>> _______________________________________________ >>> dba-Tech mailing list >>> dba-Tech at databaseadvisors.com >>> http://databaseadvisors.com/mailman/listinfo/dba-tech >>> Website: http://www.databaseadvisors.com >>> >> >> >> _______________________________________________ >> dba-Tech mailing list >> dba-Tech at databaseadvisors.com >> http://databaseadvisors.com/mailman/listinfo/dba-tech >> Website: http://www.databaseadvisors.com >> >> >> >> > -- No virus found in this outgoing message. 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