Ivan,

> > > Unfortunately, this is an old InterBase bug. I'm pretty
> > > certain it has been fixed in Firebird 1 but perhaps
> > > someone else would confirm.
> >
> > Confirmed!
>
> After a quick test, I do not see any difference between IB5
> and FB1 regarding
> locking of external files.
> In both versions I have to disconnect all users to unlock the file.

Did you DROP the external table in your test?


Sean