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Speeding up select queries on table with 3million rows.

 
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Paul

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Since: Feb 08, 2005
Posts: 2



(Msg. 1) Posted: Tue Feb 08, 2005 1:56 pm
Post subject: Re: Speeding up select queries on table with 3million rows. [Login to view extended thread Info.]
Archived from groups: mailing>database>mysql (more info?)

On 1 Feb 2005 13:20:31 -0800, wrote:

 >Thank you for the suggestions. The queries are taking around 2 secs
 >after I created separate indexes and changed varchars to chars. How
 >does google do it in milliseconds?? Is it just super hardware?
 >
 >What happens when there are both multicolumn and single column indexes?
 >Which one does MySQL use?
 >
 >I'd appreciate if anyone could suggest a good introductory book on
 >these database topics. I find this fascinating.
 >
 >Yahya

"MySQL" by Paul DuBois covers a lot of these topics pretty well.

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