[Typo3-dev] database normalisation

[Mathias Schreiber [wmdb>]]

Martin T. Kutschker wrote:
  > The user groupmembership is not normalized *because* of performance. 
You
> avoid the join that would be necessary everytime the page is hit (cache 
> and access control).
>
> Sidenote: Not that I think it would matter much now seeing how many 
> classes are loaded and bytes of memory are copied and moved around for 
> every page.

Does anyone see the need to do drastic changes to the BE?
I don't enlighten me :)