db4o Developer Community

I just found this thread, so I thought I would collect here some questions I had previous posted elsewhere relating to collection needs:Re: equest: lazy activation for collectionshttp://developer.db4o.com/forums/post/45692.aspx- about collections needing to load/activate elements on demand, instead of the entire set:- from the fast collections ...

ObjectContainer.set() is expensive?I was doing some performance tests for a timesheet application I am writing, and was simulating the addition of thousands of item additions through a web service. Ultimately, the logic of the simulation boils down to:  public class Item { int id; String description; Date date; } ... final int ...

Lets say that Asset contains a List<Calibration> and Calibration has a ''String technician''.  My objective is to find all of the Assets that have Calibrations done by a certain technician.  The query I'm using to solve this seams too slow.  Is there any way to create an index that will help speed this up.  I also tried ...