Hi Fabio, Are you using v2.2x? Did you create the schema first (helps with performance and db size)?
If you have foreign keys, the best way to import from MySQL is Teleporter. Did you try using it? Last: what query are you trying to extract? Best Regards, Luca Garulli Founder & CEO OrientDB LTD <http://orientdb.com/> On 1 July 2016 at 07:57, Fabio Rinnone <[email protected]> wrote: > Ok, demo table contains patients demographic and administrative > information (age, sex, etc.) and drug table contains information about > drugs used by patients. > > The relationship beetween demo-drug is 1-n (drug contains more vertices). > > I don't understand if it is correct to use 'expand' rather than > 'traverse' and sincerly I don't understand how 'traverse' works. > > I try to use 'parallel' because I think it is useful with a quad core > processor and the result is better, but it is not always so, for others > sample queries it is not sufficient. > > Il 01/07/2016 13:01, Ivan Mainetti ha scritto: > > which kind of relation drug-demo is? 1-1, 1-n, n-1, n-m? > > which of the 2 classes contains more vertices? > > -- > Fabio Rinnone > Skype: fabiorinnone > Web: http://www.fabiorinnone.eu > > -- > > --- > You received this message because you are subscribed to the Google Groups > "OrientDB" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/d/optout. > -- --- You received this message because you are subscribed to the Google Groups "OrientDB" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
