Re: Dreaming About Redesigning SQL

Bob Badour wrote:

>"Lauri Pietarinen" <lauri.pietarinen_at_atbusiness.com> wrote in message
>news:bmtgio$vvg$1_at_nyytiset.pp.htv.fi...
>
>
>>Bob Badour wrote:
>>
>>
>>
>>>"Lauri Pietarinen" <lauri.pietarinen_at_atbusiness.com> wrote in message
>>>news:bms3b2$lbr$1_at_nyytiset.pp.htv.fi...
>>>
>>>
>>>
>>>>Bob Badour wrote:
>>>>
>>>>
>>>>
>>>>>"Lauri Pietarinen" <lauri.pietarinen_at_atbusiness.com> wrote in message
>>>>>news:bmrccu$uur$1_at_nyytiset.pp.htv.fi...
>>>>>
>>>>>
>>>>>
>>>>>>>>Now, the alternative COULD be to widen the domain of the DMBS.
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>Instead of widening the dbms, consider applying the dbms's
>>>>>>>computational model to a wider scope of problems.
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>Yes, thanks for clarifying. That's what I meant.
>>>>>>
>>>>>>
>>>>>>
>>>>>I observe that the ability to apply the dbms's computational model to a
>>>>>wider scope of problems suggests a single paradigm.
>>>>>
>>>>>
>>>>>
>>>>It's just two different appoaches to building applications. At the
>>>>moment we are stuck in a situation
>>>>where we have to live in two (slightly incompatible) worlds to get the
>>>>job done.
>>>>
>>>>The billion dollar question is: could we get everything done in one
>>>>world only, the relational one?
>>>>
>>>>
>>>Of course, we can.
>>>
>>>
>>>
>>OK, but playing the devils advocate, how can you be so sure that it would
>> - scale
>> - be manageable
>> - adapt to all situations
>> - not to talk about being able to educate programmers to the new
>>
>>
>approach
>
>
>>Say if you had a large insurance company with, say, 10000 rules, would
>>it *really* work?
>>
>>
>
>Yes, absolutely. It would scale at least as well as it does today. It would
>be more manageable than it is today because the important business logic
>would not be scattered among hundreds of applications. It would easily adapt
>to all situations. Why would it not?
>
>
[snipped]

That is all very clear, and that is how I have understood the goal. But, as they say, the devil lies in the details.

The Versata product has been used to create a fairly large rule-based application at
American Management Systems. I wonder if anybody knows anything about this application
.
See this IBM red book:
http://publib-b.boulder.ibm.com/Redbooks.nsf/RedbookAbstracts/sg246510.html?Open

regards,
Lauri Pietarinen Received on Sun Oct 19 2003 - 23:33:27 CEST