Re: Group By query optimization

2005-07-15 Thread Andrew Braithwaite
Hi, Put indexes on 'valid' and 'sessiontype' and all will be good. Cheers, Andrew On 15/7/05 18:26, "Kishore Jalleda" <[EMAIL PROTECTED]> wrote: > Hi All, > I have a mysql query which takes 8 seconds to run ona dual > xeon 2.4, 3Gig ram box, > SELECT gamename, MAX(score) AS score, C

Group By query optimization

2005-07-15 Thread Kishore Jalleda
Hi All, I have a mysql query which takes 8 seconds to run ona dual xeon 2.4, 3Gig ram box, SELECT gamename, MAX(score) AS score, COUNT(valid=1) AS played FROM gamesessions AS gamesessions WHERE valid=1 AND sessiontype IN (1,2) GROUP BY gamename; Explain sel