Forum OpenACS Development: Re: These problems are PostgreSQL only, or Oracle too?
I am not sure, how Oracle deals with updates on foreign keys, but i would expect, it does not have this problem as well. It is likely, that in times before MVCC, postgres did not have these issues either.
Both problems are postgres related. Oracle might have problems on its own, but not these. So far, with this patch, i have not seem both of the problems any more.