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RE: Difference Between DBMS/RDBMS

From: DENNIS WILLIAMS <DWILLIAMS_at_LIFETOUCH.COM>
Date: Tue, 25 Jun 2002 09:08:46 -0800
Message-ID: <F001.0048700A.20020625090846@fatcity.com>


Dave - And since Oracle had bet its company on the SQL language, it was well-positioned to ride that horse to victory. Ironic that for so many years it appears that Oracle reaped so much more benefit from SQL than IBM did.

Dennis Williams
DBA
Lifetouch, Inc.
dwilliams_at_lifetouch.com

-----Original Message-----
Sent: Tuesday, June 25, 2002 10:03 AM
To: Multiple recipients of list ORACLE-L

In 1982 ANSI charged its X3H2 committee with defining a standard relational database. IBM became committed to SQL as the "standard" database language. The resultind ANSI standard is largly based on DB2 SQL.

Dave

-----Original Message-----
Sent: Tuesday, June 25, 2002 9:08 AM
To: Multiple recipients of list ORACLE-L

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
>

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Author: DENNIS WILLIAMS
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Received on Tue Jun 25 2002 - 12:08:46 CDT

Original text of this message

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