Gerhardus Geldenhuis wrote:

>
> Hi
> This is a suggestion/idea. If you find it worth the effort I could have a
> dab at it. I would have to learn C first. :-)
> Is it not posible to "intercept" all ddl calls and put it in a database or
> a set of files. Together with this you would have a versioning system that
> keeps track of all changes and who did it. This could help keeping better
> track of who did what and helping to make concurrent ddl more stable and
> enabling easy rollback.
> Maybe rollback is not so practical for all db objects but at least I think
> it would work nicely with triggers and procedures. It is highly likely that
> I am very much oversimplifying a difficult process so tell me what you
> think.

I've never looked seriously into this, but it should be feasible to achieve
this by judicious use of triggers on system tables.

Paul
--

Paul Reeves
http://www.ibphoenix.com
taking InterBase further