On 4/2/06, Jim C. Nasby <[EMAIL PROTECTED]> wrote: > On Sat, Apr 01, 2006 at 11:23:37AM +1000, chris smith wrote: > > On 4/1/06, Brendan Duddridge <[EMAIL PROTECTED]> wrote: > > > Hi Jim, > > > > > > I'm not quite sure what you mean by the correlation of category_id? > > > > It means how many distinct values does it have (at least that's my > > understanding of it ;) ). > > Your understanding is wrong. :) What you're discussing is n_distinct.
Geez, I'm going well this week ;) Thanks for the detailed info. -- Postgresql & php tutorials http://www.designmagick.com/ ---------------------------(end of broadcast)--------------------------- TIP 4: Have you searched our list archives? http://archives.postgresql.org
