The Developer Day » randomization http://www.thedeveloperday.com Staying Curious Fri, 03 Feb 2012 12:03:22 +0000 en hourly 1 http://wordpress.org/?v=3.3.1 MySQL – ORDER BY RAND() optimization http://www.thedeveloperday.com/mysql-order-by-rand-optimization/ http://www.thedeveloperday.com/mysql-order-by-rand-optimization/#comments Thu, 08 Jan 2009 11:44:46 +0000 Žilvinas Šaltys http://www.thedeveloperday.com/mysql-order-by-rand-optimization/ Interesting read about order by rand optimization by Jan Kneschke. Haven’t used this myself but seems might be rather useful. The performance difference is huge. I wonder if MySQL could optimize ORDER BY RAND() itself when there are no data holes.

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