> i was thinging the same, but the using index it's just to "name" the index (i m sad) not to use another index :(
>
> "You must always provide a new name for the index. It is not possible to use pre-existing indices to enforce constraints."
>
> so the using index is useless in fact :(

Right. I stand corrected. Sorry.


--
With regards,
Thomas Steinmaurer
http://www.upscene.com/