> Only SYSDBA will have access to the registering function ?

SYSDBA or database Owner

> Ordinary users should not had the ability to create databases as they wish...

> ...IMHO a database is not something you will
> create every day, an intervention by the sysadmin should not be a
> problem...

No user create it ;)
My program create database for the application.
No have sysadmin in most soho firm.

eMeL