mac上安装mysql

1. 下载
   从以下网址（官网）下载对应版本
   https://dev.mysql.com/downloads/mysql/ 直接下载，不用管注册和登陆。

2. 安装mysql
   下载完成后，点击安装，一路确认，等待安装成功。
   启动mysql

   进入系统偏好设置，最下边一行，找到mysql打开，点击”Start MySQL Server”，启动mysql

3. 记下临时密码，打开终端，输入以下命令：

   mysql -u root -p

   输入密码

   Terminal显示

   
   #Welcome to the MySQL monitor. Commands end with ; or \g.
   
   Your MySQL connection id is 10
   Server version: 5.7.17
   
   Copyright (c) 2000, 2016, Oracle and/or its affiliates. All rights reserved.
   
   Oracle is a registered trademark of Oracle Corporation and/or its
   affiliates. Other names may be trademarks of their respective
   owners.
   
   Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

   修改密码

   mysql>
   SET PASSWORD = PASSWORD(‘new password’);