On Sunday, January 13, 2013 8:51:55 PM UTC+1, Vasile Ermicioi wrote: > > That way you can issue queries like db.trains.company == 'amtrack' that >> are - usually - faster than filtering records through joins. > > > you can't do db.trains.company == 'amtrack' because company is a > reference field > > I know, did you read the entire post ? I'm not saying that he can with the original model, I'm saying that changing the model "un-normalizing" the reference field often simplifies both code and the underlying queries ( improving performances as a nice side-effect ).
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