Re: [rules-users] architectural question: accessing large dataset from rdbms?

2007-08-08 Thread Scott Finnie
Hi Mark, Thanks for the response. Comforting we seem to be on the right track, pity it's just an imaginary one :-) Will see what happens, but thanks again for now. - Scott. Mark Proctor wrote: I've had ideas on how to do this, but no timelines or concrete plans. The basic idea is as rules

Re: [rules-users] architectural question: accessing large dataset from rdbms?

2007-08-07 Thread Mark Proctor
I've had ideas on how to do this, but no timelines or concrete plans. The basic idea is as rules are evaluated, based on the constraints pulls in the data from the database - this is basically about building special join nodes. A caching system is used to cache by data partition segments, with

[rules-users] architectural question: accessing large dataset from rdbms?

2007-08-07 Thread Scott Finnie
Hi, As a drools newbie, I'm grappling with the above question; any help much appreciated. To elaborate: - We have a largish dataset (~50GB+) stored in an rdbms (oracle). - we're considering using drools to implement business rules (e.g. for data validation constraints and derivations). -