Performance optimized MySQL optimization

The purpose of database optimization;

Avoid access errors

A 5XX error occurred due to database connection timeout;

The page could not be loaded because of slow query;

Data cannot be submitted due to blocking;

The server performance is affected by the light, and the transaction rollback;

Increase the stability of the database;

Many database problems are caused by inefficient queries;

Optimize the user experience;

Smooth page access speed;

Good experience of website function;

How do I find the problematic SQL?

Use the MySQL slow log to monitor the SQL for efficiency problems;

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Performance optimized MySQL optimization