Subject Re: [firebird-support] What the best way to to join 2 tables accross 2 databases ?
Author Carlos H. Cantu
ABS> Thanks for the clarification... I'm not using 2.5 yet, but I recall to
ABS> take a look on this feature (cross database DML), Perhaps I did an SP to
ABS> check on another database... I will look for the test I did.

What can be done now is a workaround to simulate a cross-db-query,
using a combination of execute statement and Global Temporary Tables.
Not so easy as if cross-db-queries were supported natively, but...

Firebird Performance in Detail - -