On 8/18/07, Michelle Konzack <linux4michelle@freenet.de> wrote:
> Am 2007-08-17 12:53:41, schrieb Michael Glaesemann:
> > (Is is just me or have there been a lot of queries that can be solved
> > using DISTINCT ON recently?)
>
> I do not know... Since when does "DISTINCT ON" exist?
I have been lurking on this thread, don't have much to add, but
distinct on has been around in postgresql for as long as I can
remember. It's not SQL spec, so it's not portable. but it is
awefully useful.