Hi, Pierre-Frédéric, On Sat, 20 Nov 2004 17:12:43 +0100 Pierre-Frédéric Caillaud <lists@xxxxxxxxxxxxxxxxxxxxx> wrote: > > WHERE cd='ca' ORDER BY l_postcode; > > Write : > > > WHERE cd='ca' ORDER BY cd, l_postcode; > > You have a multicolumn index, so you should specify a multicolumn sort > exactly the same as your index, and the planner will get it. Thanks, that seems to help. Seems weird to order by a column that is all the same value, but well, why not :-) Thanks a lot, Markus -- markus schaber | dipl. informatiker logi-track ag | rennweg 14-16 | ch 8001 zürich phone +41-43-888 62 52 | fax +41-43-888 62 53 mailto:schabios@xxxxxxxxxxxxxx | www.logi-track.com