Salvador =?iso-8859-1?Q?Main=E9?= <[EMAIL PROTECTED]> writes:
> I want to select the the day of maximum value for each year for a given
> measurement station.
This is exactly the sort of thing that SELECT DISTINCT ON is meant for.
See the "weatherReports" example in the SELECT man page,
http://ww
This should work:
SELECT day, rain FROM meteo WHERE rain = (SELECT max(rain) FROM meteo
WHERE date_part('year', day) = '2001')
Michael Fork - CCNA - MCP - A+
Network Support - Toledo Internet Access - Toledo Ohio
On Thu, 8 Mar 2001, Salvador [iso-8859-1] Mainé wrote:
> Hello:
>
> I have a tab