> OK! I will try with Firebird 1.5
>
> The upgrade from Firebird 1.0.3 to Firebird 1.5 is problematic? What
> are the implications to consider to make the update?

Spend some time reading the excellent written Firebird 1.5 Release
Notes. ;-)
http://www.ibphoenix.com/main.nfs?a=ibphoenix&page=ibp_download_15



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