Re: foundations of relational theory? - some references for the truly starving

Paul:

Am I to assume that IMS is also irrelevant, because I can't find it on:

        http://www.tpc.org/

:-)

Bill

> http://www-3.ibm.com/software/data/ims/
>

http://www-3.ibm.com/software/data/ims/presentations/two/imsoverview/index.htm
>
> a.. "More than ninety-five percent of the Fortune 1000 companies use IMS.
> IMS serves 200 million end users, managing over 15 billion Gigabytes of
> production data and processing over 50 billion transactions every day. IMS
> still owns the high-volume on-line transaction and database management
> environment. IMS customers have been driving their own growth with IMS -
> over 79 million transactions were handled by one customer in a single day
on
> a single sysplex system, 30 Million Trans/Day on a single CEC. 7 million
> Transactions/ hour and 120 million transactions/day were handled by
another
> customer. IMS in-house testing has reached over 4000 transactions/sec
across
> TCP/IP to a single IMS on a single machine (G6). And we have reached
11,246
> trans/sec (nearly 1 Billion trans/day) with IMS Data/Queued Sharing on a
> 2-CPC Sysplex.. One large customer has also indicated they have reached
over
> 3000 days without an outage and another over 2000 days and still going
> strong. "
>
> Compared to
>
> http://www-3.ibm.com/software/data/u2/
>
> U2 offers high performance and scalable data management environments
> for embedding in vertical applications. Over 3.9 million users rely on IBM
> U2 Data Management solutions.
>
>
>
> So that's 200 million users vs. 3.9 million.
>
> And which ones do academia care about?
> A: Neither.
> And so it should be.
>
> Regards
> Paul Vernon
> Business Intelligence, IBM Global Services
>
>
Received on Fri Oct 24 2003 - 03:54:01 CEST