Thread
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Re: k-neighbourhood search in databases
Oleg Bartunov <oleg@sai.msu.su> — 2011-04-08T13:24:51Z
Hans, thanks a lot. I've heard about Oracle Spatial, but I don't know if it's knn is just syntactic sugar for workarounds. Oleg On Fri, 8 Apr 2011, PostgreSQL - Hans-J?rgen Sch?nig wrote: > hello ... > > i have put some research into that some time ago and as far as i have seen there is a 99% chance that no other database can do it the way we do it. it seems nobody comes even close to it (especially not in the flexibility-arena). > > oracle: disgusting workaround ... > http://www.orafaq.com/usenet/comp.databases.oracle.misc/2005/11/03/0083.htm > > db2: disgusting workaround (no server side code it seems) > > sybase: disgusting workaround (no serverside code it seems) > > microsoft: there seems to be something coming out (or just out) but i have not seen anything working yet. > > regards, > > hans > > > > On Apr 8, 2011, at 2:21 PM, Oleg Bartunov wrote: > >> Hi there, >> >> I'm interesting if other databases provides built-in effective knn search ? Google didn't help me. >> >> Regards, >> Oleg >> _____________________________________________________________ >> Oleg Bartunov, Research Scientist, Head of AstroNet (www.astronet.ru), >> Sternberg Astronomical Institute, Moscow University, Russia >> Internet: oleg@sai.msu.su, http://www.sai.msu.su/~megera/ >> phone: +007(495)939-16-83, +007(495)939-23-83 >> >> -- >> Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) >> To make changes to your subscription: >> http://www.postgresql.org/mailpref/pgsql-hackers >> > > -- > Cybertec Sch?nig & Sch?nig GmbH > Gr?hrm?hlgasse 26 > A-2700 Wiener Neustadt, Austria > Web: http://www.postgresql-support.de > Regards, Oleg _____________________________________________________________ Oleg Bartunov, Research Scientist, Head of AstroNet (www.astronet.ru), Sternberg Astronomical Institute, Moscow University, Russia Internet: oleg@sai.msu.su, http://www.sai.msu.su/~megera/ phone: +007(495)939-16-83, +007(495)939-23-83