Training MySQL Windows
https://serverfault.com/questions/783861/enabling-ssl-in-mysql-when-using-windows-as-a-server-and-client
mysql -uroot -p --ssl-mode=REQUIRED
mysql -uroot -p --ssl-mode=DISABLED
https://dev.mysql.com/doc/refman/8.0/en/data-directory-initialization.html
select a.*, convert(a.argument using utf8) from general_log a;
show global status like '%slow%';