Hi,

> OK, thanks...
> but can I have other users with rights on grants (I mean that could
> give rights to other users) ?

Yes. If you have a user with a, for example, SELECT privilege
and it's granted with the "WITH GRANT OPTION" clause, then
he can grant other users the SELECT privilege as well.

With regards,

Martijn Tonies
Database Workbench - developer tool for InterBase, Firebird, MySQL & MS SQL
Server.
Upscene Productions
http://www.upscene.com