Horst,
> There are many more good reasons to do so. Example from my own
> domain,
> medicine:
> Thus, we have multiple databases on multiple servers all depending on
> each
> other.
Your reasons all make sense. What you need is not inter-database
queries but a robust middleware layer, such as J2EE. Your sort of
situation is why middleware exists.
If GreatBridge was still around, I'd reccommend you contact them, as I
knwo they implemented a solution for your sort of situation. However, I
don't know who'd do it now.
-Josh
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