Re: RE: Difference Between DBMS/RDBMS

I've used Atari 800XL (still have it).

JP

On Tuesday 25 June 2002 17:13, you wrote:
> Erm, programmed at college on something called a Sinclair ZX80 Spectrum 1K
> ram !!!!!!
>
>
> -----Original Message-----
> Sent: 25 June 2002 15:58
> To: Multiple recipients of list ORACLE-L
>
>
> Tom,
>
> As I recall DB2 on a PC came about way back in the dark days of the
> 8080 processor and DOS (no version) somewhere around 1980 I believe. I
> seem to vaguely remember running it on a very old (now a days) predecessor
> of the laptop. If memory is serving I believe it was called an Osborne?
> RDB was offered on the IBM mainframe and there was a VAX version that I
> remember playing
> with as well.
>
> Yeah, it's good to be old and reflect on the twists & turns we went
> through
> to make things work. Anyone remember programming with less than 1MB of
> ram? I
> remember trying to make things work on 16K.
>
> Dick Goulet
> Human memory is fragile, thank GOD!
>
> ____________________Reply Separator____________________
> Author: "Mercadante; Thomas F" <NDATFM_at_labor.state.ny.us>
> Date: 6/25/2002 6:08 AM
>
> Oh you bunch of young whipper-snappers!
>
> A long time ago in a place far-away, we started with simple File Systems.
> Then came ISAM file systems.
> These begate DBMS systems. Note there was no 'R' in original DBMS systems.
> Some of these were simply an extention to ISAM files that allowed (and
> demanded) a more formalized collection of files. In these files, there
> were tables and indexes and primary keys. I remember these as
> "Hierarchical Database Systems". Still no such thing as foreign keys.
>
> Finally, I believe, DEC came out with the RBMS system which was (I know I
> will be corrected on this) one of the first Relational Database Managment
> Systems to be made available for large systems. (I have no knowledge of
> IBM products - anybody? When did DB2 make itself known?).
>
> On PC's there was also something called RDB I think.
>
> See, its good to be old!
>
> Tom Mercadante
> Oracle Certified Professional
>
>
> -----Original Message-----
> Sent: Tuesday, June 25, 2002 8:24 AM
> To: Multiple recipients of list ORACLE-L
>
>
> i give up the R, is that the difference?
>
> joe
>
> Santosh Varma wrote:
> > could any body point me the difference(s) between DBMS and RDBMS ??
> > because in DBMS also as in RDBMS, we can related two or more
> > tables..if a column exists in another table for relation ??
> >
> > Thanks and regards,
> >
> > Santosh

-- 
         Pruner Jan
       jan_at_pruner.cz
     http://jan.pruner.cz/
-----------------------------
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