> Hi,
> How can I check (as SYSDBA) who is the database owner ?

Connect with isql to the databas and execute:

show database;



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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/