On 16.01.02 10:38 +0000(+0000), John Taylor wrote:
> 
> Hi,
> 
> I'm having problems counting the number of distinct rows in a table.
> 
> I've tried the following:
> 
> 	select distinct on(id) count(id)  from basketupdates order by id desc; 
> 
SELECT count(distinct id) FROM basketupdates;
see http://www.postgresql.org/idocs/index.php?sql-expressions.html
for more information.
- Einar Karttunen