On 25-Jul-02, Ed Dana wrote: >> Hmmm. Are there cases where unique can change the order, as well as >> stripping out duplicates?
> I would expect that UNIQUE first sorts the data in order to trim out > the duplicates. It's the most efficient way to find and remove them. > Which is why I went looking for it in SORT first. > I doubt that issuing SORT and UNIQUE in any combination is faster > because of the redundancy. > I could be wrong, though... I think you are. Unique is much faster than sort, at least on Amiga. Umm, well, at least on the block of 1s and 2s in a block I've just tried. (: This suggests unique doesn't use sort, or at least not the sort available to us. -- Carl Read -- To unsubscribe from this list, please send an email to [EMAIL PROTECTED] with "unsubscribe" in the subject, without the quotes.
