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Old 06-05-2002, 01:59 PM
MattR MattR is offline
 
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Find out what the I/O cost is and you'll have your answer. Query time is not a good indicator of total cost.

http://www.sitepointforums.com/showt...threadid=62319

Quote:
But that requires a significant amount of I/O, meaning that the MySQL engine will have to perform many disk reads (disk I/O), load it into memory (logical I/O) and throw it to your PHP client (typically over the network so network I/O). Add those together along with in the PHP overhead and you get the total IO for the query.
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