The dataset is not large by database standards. Even in mySQL - not known for its speed at multi-row querying - the queries you describe should complete within a few seconds on even moderately recent hardware if your indexes are reasonable.
What are your performance criteria for processing these queries, and how have you / your team optimised the relational database storage? Cheers, - Peter -- Peter Crowther, Director, Melandra Limited On 6 May 2014 15:32, Dr Eberhard Lisse <e...@lisse.na> wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > Exactly, > > which is why I am looking for something faster :-)-O > > el > > on 2014-05-06, 15:21 David R Forrest said the following: > > It sounds as if your underlying MySQL database is too slow for your > > purposes. Whatever you layer on top of it will be constrained by > > the underlying database. To speed up the process significantly, > > you may need to do work on the database backend part of the > > process. > > > > Dave > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v1.4.12 (Darwin) > Comment: GPGTools - http://gpgtools.org > Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ > > iQCVAwUBU2jyd1sF2hmmSQy5AQJVPQP+MnrEkXLY9PK+N2CB+maySkRKhEXcWTUA > KNOQnTDaYl3wnRZKg8y1wiZbLFA8tWsKpXPv91phDZ2000MTbv7SbnpBXthSzbAn > clEOniQqRcXci1Q2Qjd+mH0YxyA6XpNvBnBIlbxPsQbObwjK+dKl7/cna1oZKUhW > 6aytsFtPZTI= > =zepY > -----END PGP SIGNATURE----- > > ______________________________________________ > R-help@r-project.org mailing list > https://stat.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide > http://www.R-project.org/posting-guide.html > and provide commented, minimal, self-contained, reproducible code. > [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.