"If you are reading this paper, this is probably your first
encounter with the Firebird RDBMS. This paper will present to you
the main features of the Firebird database. At the end, I am sure
you will be anxious to download its lightweight installer and try
it out yourself.
"Firebird is derived from Borland InterBase 6.0 source code. It
is open source and has no dual license..."