Hi Nuria, 'multiselect' is a logical 'OR' (union). For multi-datasets multiselect this is implemented as paralel querying and software 'unionizes' it for you, for intra dataset query e.g filter box, this is translated to SQL 'in list' which is an equivalent of 'OR' (union).
give us a shout if you need more info a On Tue, Sep 27, 2011 at 10:56 AM, <[email protected]> wrote: > Dear all,**** > > ** ** > > I was wondering when a filter is configured as a multiselect operation > type, if the end-user is marking more than one option at the same query in > the multiselection box in the martexplorer, then how is done the filtering, > taking into account interaction (AND) among multi-selected options or union > (OR)?**** > > ** ** > > On the other hand, is it available the Human Metabolome DataBase as a mart? > Many thanks in advance.**** > > ** ** > > Kind regards,**** > > ** ** > > Núria**** > > ** ** > > ** ** > > _______________________________________________ > Users mailing list > [email protected] > https://lists.biomart.org/mailman/listinfo/users > >
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