FireBird is a great database server, moreover, it supports embedded
database. The benefits of using FireBird:
# It's very powerful, supports triggers, stored procedures, supports far
more concurrent users than Microsoft Access. It also supports altering
table structure, dropping tables
# The database can be in a single file
# Very easy to deploy the applications using FireBird. The runtime
library is less than 2M.
# Programming with ADO. It's very convenient to migrate from other
databases to FireBird.
# It's free. If you or your customers are on a tight budget, it's the
best choice.

This article describes how to use the FireBird embedded database in
SWFKit or SWFKit Pro.

Nice words in this tutorial
http://www.swfkit.com/swfkit/tutor/firebird.html

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Regards,

Marius - Linux admin