Path: utzoo!utgpu!news-server.csri.toronto.edu!bonnie.concordia.ca!uunet!mcsun!ukc!icdoc!jrg From: jrg@doc.ic.ac.uk (James Robert Grinter) Newsgroups: comp.databases Subject: Re: Rushmore Query Optimization in FoxPro 2.0 Message-ID: <1991Jun28.084900.6945@doc.ic.ac.uk> Date: 28 Jun 91 08:49:00 GMT References: <91178.110048RMC100@psuvm.psu.edu> Organization: Dept. of Computing, Imperial College, London, UK. Lines: 31 Nntp-Posting-Host: flamingo.doc.ic.ac.uk In article <91178.110048RMC100@psuvm.psu.edu> RMC100@psuvm.psu.edu (Randy Carraghan) writes: >I'm not a FoxPro user, but I was interested in finding out more about the >Rushmore Query Optimization they plan to use in release 2.0 of their product. >The advertisement I read said that a patent had been applied for - does this Surely, when a patent is applied for, they have to submit details so that ANYONE can see how it is done. Just wander along to the patent office and have a look. At least that is the way it works in the UK. >mean that other databases would have to license the technology from FoxBase? >The claim was that many queries could be performed one to two orders of >magnitude faster with the Rushmore algorithms. Are these algorithms >available in publication? I'd like to see some of the techniques used to >fulfill the SQL queries. > >Thanks in advance for any information... > >Randy James disclaimer: I'm not a patent lawyer, and I'm not entirely sure of the US patent processes (is anybody? :-)) -- James Grinter, Dept of Computing, Imperial College JANET: jrg@uk.ac.ic.doc 180, Queen's Gate, LONDON SW7 2BZ DARPA: jrg@doc.ic.ac.uk UUCP: jrg@icdoc.UUCP, ..!ukc!icdoc!jrg "If it works, leave it alone!"