MAC安装MySQL的正确姿势

以下内容都是控制栏的东西，关键点我会用汉语解释，大家看代码照着我的做就可以正确安装。

提醒：安装MySQL时候等待时间过长问题

Updating Homebrew等待时间过长或者

解决方案：
export HOMEBREW_NO_AUTO_UPDATE=true

慢慢看下面代码，需要注意的地方我汉语都翻译了


MAC安装MySQL方法这里下载MySQL 8.0.12，输入brew install mysql就可以安装了
appledeMBP:~ apple$ brew install mysql==> Downloading https://homebrew.bintray.com/bottles/mysql-8.0.12.sierra.bottle.
Already downloaded: /Users/apple/Library/Caches/Homebrew/mysql-8.0.12.sierra.bottle.tar.gz
==> Pouring mysql-8.0.12.sierra.bottle.tar.gz==> Caveats  #这个版本的MySQL没有密码，想要密码的输入    mysql_secure_installation
We've installed your MySQL database without a root password. To secure it run:mysql_secure_installationMySQL is configured to only allow connections from localhost by defaultTo connect run:mysql -urootTo have launchd start mysql now and restart at login:brew services start mysql
Or, if you don't want/need a background service you can just run:mysql.server start
==> Summary
?  /usr/local/Cellar/mysql/8.0.12: 255 files, 233.3MB下载完毕，启动MySQL
appledeMBP:~ apple$ mysql.server startStarting MySQL
. SUCCESS!
appledeMBP:~ apple$ mysql_secure_installationSecuring the MySQL server deployment.Connecting to MySQL using a blank password.VALIDATE PASSWORD COMPONENT can be used to test passwords
and improve security. It checks the strength of password
and allows the users to set only those passwords which are
secure enough. Would you like to setup VALIDATE PASSWORD component?你要设置有效密码吗？是的，输入y，回车
Press y|Y for Yes, any other key for No: yThere are three levels of password validation policy:LOW    Length >= 8
MEDIUM Length >= 8, numeric, mixed case, and special characters
STRONG Length >= 8, numeric, mixed case, special characters and dictionary                  file三种级别的密码，最低八位数，输入0
Please enter 0 = LOW, 1 = MEDIUM and 2 = STRONG: 0
Please set the password for root here.New password: 输入密码Re-enter new password: 重新输入Estimated strength of the password: 50
Do you wish to continue with the password provided?(Press y|Y for Yes, any other key for No) : y
By default, a MySQL installation has an anonymous user,
allowing anyone to log into MySQL without having to have
a user account created for them. This is intended only for
testing, and to make the installation go a bit smoother.
You should remove them before moving into a production
environment.问你是否删除默认的无密码用户，我选择删除，y
Remove anonymous users? (Press y|Y for Yes, any other key for No) : y
Success.Normally, root should only be allowed to connect from
'localhost'. This ensures that someone cannot guess at
the root password from the network.不允许远程访问吗？我回复y
Disallow root login remotely? (Press y|Y for Yes, any other key for No) : y
Success.By default, MySQL comes with a database named 'test' that
anyone can access. This is also intended only for testing,
and should be removed before moving into a production
environment.移除测试数据库，回答y
Remove test database and access to it? (Press y|Y for Yes, any other key for No) : y- Dropping test database...
Success.- Removing privileges on test database...
Success.
Reloading the privilege tables will ensure that all changes
made so far will take effect immediately.重新下载数据表确保所有的更改可以立即生效，回复yReload privilege tables now? (Press y|Y for Yes, any other key for No) : y
Success.All done! 搞定了输入mysql -u root -p测试下
appledeMBP:~ apple$ mysql -u root -p
Enter password: 输入密码
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 10
Server version: 8.0.12 Homebrew Copyright (c) 2000, 2018, 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.mysql>

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