Re: Slow Query problem
От | Andreas Joseph Krogh |
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Тема | Re: Slow Query problem |
Дата | |
Msg-id | 200801291124.23660.andreak@officenet.no обсуждение исходный текст |
Ответ на | Re: Slow Query problem ("Premsun Choltanwanich" <Premsun@nsasia.co.th>) |
Ответы |
Re: Slow Query problem
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Список | pgsql-sql |
On Tuesday 29 January 2008 09:18:00 Premsun Choltanwanich wrote: > I already install the latest version of PostgreSQL on my machine then try > again. I found that it has a little improvement about 0.5 second but I > think it still slow. > > What is the 'more detail' you need? Your tables, views and index definitions. > Any other advise? You haven't provided any information on how your tables/views look like and what indexes you have defined. A rule of thumb is to define an index for each column you join on. -- Andreas Joseph Krogh <andreak@officenet.no> Senior Software Developer / Manager ------------------------+---------------------------------------------+ OfficeNet AS | The most difficult thing in the world is to | Karenslyst Allé 11 | know how to do a thing and to watch | PO. Box 529 Skøyen | somebody else doing it wrong, without | 0214 Oslo | comment. | NORWAY | | Tlf: +47 24 15 38 90 | | Fax: +47 24 15 38 91 | | Mobile: +47 909 56 963 | | ------------------------+---------------------------------------------+
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