> It appears that autocommit works only with retaining transactions,
> and performs the autocommit only after a deleted, insert, post,
> transact request (= execute procedure), or update. When a
> retaining transaction commits, another one is automatically
> created.

What is the difference to the commit retain without autocommit then?
Only that tx ID remains the same?

Anyway, thanks for the information. Since I still do not understand
how to use it in JayBird, I will use plain old isc_commit_transaction
after each statement for Java autocommit then :)

Roman