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#Optimizer articles and events

MySQL Optimizer: Naughty Aberrations on Queries Combining WHERE, ORDER BY and LIMIT

MySQL Optimizer: Naughty Aberrations on Queries Combining WHERE, ORDER BY and LIMIT

Sometimes, the MySQL Optimizer chooses a wrong plan, and a query that should execute in less than 0.1 second ends-up running for 12 minutes!This is not a new problem: bugs about this can be traced bac...

July 29, 2019