Michel, > Do some benchmarks, ZODB is very fast if you are a little more clever > about how you change your objects. Is there a place where we developers can learn what "clever" means in this regard. I would love to know what i can do as a developer to gain speed when changing my objects. What are some of the secrets? All my best, -- Jason Spisak 444@hiretechs.com -- Jason Spisak 444@hiretechs.com