Hi Ivan, depends what you want to store and how you want to store it. Use a MySQL DB when you have many concurrent inserts and/or updates (ROOT has no concurrency mechanism built-in). If your DB is mainly readonly and efficient access is needed have a look at the ROOT DB, it is quite more efficient querying and due to the built-in compression mechanism files are much smaller. For more info on this subject see: http://root.cern.ch/root/R2000/Html/newfeatures/index.htm Cheers, Fons. On Sat, 2004-11-20 at 20:33, Ivan Koga wrote: > Hi everybody, > I'm new on ROOT and I was questioned about the ROOT performance. Is ROOT > better to store data than a SGBD like MySQL? If it's true or false... why? > Does anybody knows how to answer this questions? > > Thank you, > > Ivan K. Koga -- Org: CERN, European Laboratory for Particle Physics. Mail: 1211 Geneve 23, Switzerland E-Mail: Fons.Rademakers@cern.ch Phone: +41 22 7679248 WWW: http://www.rademakers.org/fons/ Fax: +41 22 7679480
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