> I just noticed numerous row entries
> in RDB$DEPENDENCIES with RDB$FIELD_NAME = NULL
>
> Now using FB2.1, but it looks like they where created already
> in earlier versions.
>
> Can I just delete these entries, or do they serve a purpose ?

They do. For example a view is dependent on a table. Or a procedure is
dependent on a table ...

--
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/