Hi, As for tuning, see http://h2database.com/html/performance.html#database_performance_tuning - this is roughly the same level of information as the Derby documentation (if not please tell me).
> And the join selectivity, I found nothing in the code about it. There is a > mechanism (plans) to address this? Do you want application developer documentation, or documentation of the H2 source code? > I think the algorithm isn't a genetic optimizer. The genetic algorithms are > described in the literature as optimizers based in the Darwin's theory with > features like: selection, crossover, mutaion and so on. The Genetic > algorithm of H2 seems to me like a random walk in the search space. The > algorithm could be thought of as part of a genetic algorithm, specifically > mutation operator. As far as I know, the term "genetic" doesn't imply it's using crossover. It can, but it doesn't have to. Regards, Thomas -- You received this message because you are subscribed to the Google Groups "H2 Database" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/h2-database?hl=en.
