[Info-vax] Anyone interested in another public access system

yyyc186 yyyc186 at hughes.net
Mon Apr 6 22:40:20 EDT 2009


On Apr 6, 5:56 pm, JF Mezei <jfmezei.spam... at vaxination.ca> wrote:
> Michael Kraemer wrote:
>
> > Records and blocks predate VMS.
>
> And for those instances where soe Unix system does require "records",
> the use a database system. And this is one big reason that Oracle is one
> of the largest software companies in the world.

Oddly....PostgreSQL/Informix was the database family with the largest
Unix/Linux installed base last time I looked.  Oracle started in IBM
Mainframe, ported to VMS (wasn't yet called OpenVMS) and migrated to
Unix much later...after the HP/3000 OS I belive, but could be mistaken
there.  They rolled their product out based upon corporate installed
base.

Relational databases don't have "records" btw.  They have logical rows
in logical tables with no requirement what-so-ever the data be stored
together or even on the same physical drive.  If you declare
tablespace on multiple drives, the database engine is free to use that
space however it sees fit.



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