Jörg Schiemann schrieb:

>
> Thank you all for your answers.
> It helped me clearing up things.
>
> There is only one thing which is confusing me, maybe because of my lack in
> the english language.
> Indexes and indices, is it the same or is there a difference?

They are the same.

It's the same as in the german language: People say indexes though this
word doesn't exist - the correct plural form of index is indizes.

Luc.