Subject RE: [firebird-support] What does embedded mean?
Author Dmitry Yemanov

> > You would end up with an application and a DLL(and the UDFs DLLs if
> > required). The interface is the same as fbclient.dll.
> And the intl subdirectory with the fbinbtl.dll if you want to use
> another Character set than NONE.

The engine without fbintl.dll supports NONE, ASCII and UNICODE_FSS.

> > The embedded version is practically the same as the SuperServer
> > version, with the exception that it doesn't permit any
> > incoming remote connections.
> And it doesn't accept anything but a SINGLE connection, since the
> database file is opened "exclusive"

It allows multiple connections from one parent process.