Homebrew安装mysql之后，启动和使用MySQL服务：

启动MySQL服务：

brew services start mysql

手动启动服务：

mysql.server start

例如：

mysql.server start
Starting MySQL
.. SUCCESS! 

停止 MySQL服务：

brew services stop mysql

或者

mysql.server stop

重启MySQL服务：

brew services restart mysql

或者

mysql.server restart

进入 MySQL命令行界面：

mysql -u root -p

例如：

 mysql -u root -p
Enter password: 
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 10
Server version: 8.3.0 Homebrew

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