The above slow query is just a test one that I specially crafted to be slow, so there’s not much to optimize in it, but real-world slow production queries should be investigated and taken care of.

MySQL performance tip No. 4: Filter results by cheapest first A great way to optimize MySQL is to do cheap, imprecise work first, then the hard, precise work on the smaller, resulting set of data.

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SQL Diagnostic Manager for MySQL was previously known as Monyog, which was part of Webyog’s database administration and management products that Idera, Inc. acquired in April 2018.

As we can see from the previous sections (section 1, section 2), MySQL performance tuning is critical in realizing business goals and procedures. Correctly tuning your database queries has a huge ...