Shulou(Shulou.com)05/31 Report--

This article mainly explains "myisam internal temporary table analysis in MySQL". The content of the article is simple and clear, and it is easy to learn and understand. Please follow the editor's train of thought to study and learn "myisam internal temporary table analysis in MySQL".

I. the origin of the problem

A friend asked me what the files in the tmp directory below were for, and they were deleted soon. His version is 5.6.

Tmpfile.png

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