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Re: Linking to a LUT more than once
Posted by: Rick James
Date: August 09, 2011 07:20PM

The size of the query and its resultset are important to whether it can be saved in the "Query cache". The settings here control whether it will be considered for saving in the QC:
SHOW VARIABLES LIKE 'query_cache%';

The QC does not make any noticeable difference for most users most of the time.

The key_buffer and/or the buffer pool are also important for caching.

More discussion here:
http://mysql.rjweb.org/doc.php/memory

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Re: Linking to a LUT more than once
August 09, 2011 07:20PM


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