Comments on: Query Optimization Challenge http://techblog.tilllate.com/2007/11/07/query-optimization-challenge/ it and development at europe's leading clubbing community Thu, 28 Aug 2008 08:30:49 +0000 http://wordpress.org/?v=2.6 By: Silvan Mühlemann http://techblog.tilllate.com/2007/11/07/query-optimization-challenge/#comment-3232 Silvan Mühlemann Thu, 08 Nov 2007 06:56:04 +0000 http://techblog.tilllate.com/2007/11/07/query-optimization-challenge/#comment-3232 Thanks guys... I just updated the entry... :-) Thanks guys… I just updated the entry… :-)

]]> By: Martin http://techblog.tilllate.com/2007/11/07/query-optimization-challenge/#comment-3231 Martin Thu, 08 Nov 2007 06:25:09 +0000 http://techblog.tilllate.com/2007/11/07/query-optimization-challenge/#comment-3231 Hi, did you try a multi-column index? alter table photoreports add index (country_id, date); Hi, did you try a multi-column index?

alter table photoreports add index (country_id, date);

]]> By: Nitek http://techblog.tilllate.com/2007/11/07/query-optimization-challenge/#comment-3200 Nitek Wed, 07 Nov 2007 23:18:44 +0000 http://techblog.tilllate.com/2007/11/07/query-optimization-challenge/#comment-3200 Why not using a multi-column-index over country_id AND date? A photoreport-table doesn't sound like its changing too often for an additional index.. Why not using a multi-column-index over country_id AND date?
A photoreport-table doesn’t sound like its changing too often for an additional index..

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