In my case, the file did not exist. In MySQL Workbench I went to OPTIONS FILE and found some default values. I clicked apply. It asked for permission. It then created the my.cnf file under /etc. However, it is very important to keep in mind that the first time you click "apply", you do not make any changes to the default configuration. Once the file has been created, you can make changes which will be applied when you click "apply". Otherwise you will not be shown the apply button when you make changes.

我正在运行MacOS Catalina(10.15.3)，并在/usr/local/etc中找到my.cnf

您可以打开一个终端并键入locate my.cnf

如果在Mac M1和MacOS Monterey 12.0.1中使用Homebrew安装MySQL，则位置为/opt/ Homebrew /etc/my.cnf

In my case, the file did not exist. In MySQL Workbench I went to OPTIONS FILE and found some default values. I clicked apply. It asked for permission. It then created the my.cnf file under /etc. However, it is very important to keep in mind that the first time you click "apply", you do not make any changes to the default configuration. Once the file has been created, you can make changes which will be applied when you click "apply". Otherwise you will not be shown the apply button when you make changes.

你可以在任何你想要的目录下创建你的文件。创建完成后，你可以“告诉”mysql配置的路径: