> I'd like to keep track of schema version. Is it possible to detect
> schema changes, for example with triggers?

With DDL triggers to be expected in Firebird 3.0.

r is there any built-in

> information about when the schema was last time changed?

No.



--
Best Regards,
Thomas Steinmaurer
LogManager Series - Logging/Auditing Suites supporting
InterBase, Firebird, Advantage Database, MS SQL Server and
NexusDB V2
Upscene Productions
http://www.upscene.com
My blog:
http://blog.upscene.com/thomas/