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感想
最近在做一个项目的demo，需要用到数据库，然后我这里把我的安装实战过程记录下来，方便后面进行知识梳理
基本安装
首先要安装homebrew，这里不是重点，这里默认大家都已经安装。
brew install mysql
mysql.server start
mysql -uroot然后上面的就是最基本的安装过程，然后我们可以就可以匿名登陆，不用输入密码了。
创建带密码的账户和密码
终端输入：
mysql_secure_installation下面是我的创建过程：
Securing 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?
Press y|Y for Yes, any other key for No: y
There 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
Please enter 0 = LOW, 1 = MEDIUM and 2 = STRONG: 0
Please set the password for root here.
New password:
Re-enter new password:
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.
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.
Disallow root login remotely? (Press y|Y for Yes, any other key for No) : n
... skipping.
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.
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.
Reload privilege tables now? (Press y|Y for Yes, any other key for No) : y
Success.
All done!
➜ ~ mysql -u root -p
Enter password:
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 11
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> show database
-> ;
ERROR 1064 (42000): You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'database' at line 1
mysql> show databases;
+--------------------+
| Database |
+--------------------+
| information_schema |
| mysql |
| performance_schema |
| sys |
+--------------------+
4 rows in set (0.01 sec)Navicat Premium 连接
打开该软件，然后创建一个连接，输入用户名和密码，连接的时候这里会报错：
2059 - Authentication plugin 'caching_sha2_password' cannot be loaded: dlopen(../Frameworks/caching_sha2_password.so, 2): image not found这时候，打开终端：
#登陆mysql
mysql -u root -p
#输入密码
Enter password: xxx
#修改加密规则
ALTER USER 'root'@'localhost' IDENTIFIED BY 'password' PASSWORD EXPIRE NEVER;
#更新一下用户的密码
ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY 'your_password';
#刷新权限
FLUSH PRIVILEGES;连接的时候输入你的新密码(your_password)，然后就可以连接了，本人亲自测试成功。
参考文献
[1].【Mac + Mysql + Navicat Premium】之Navicat Premium如何连接Mysql数据库. http://www.cnblogs.com/Owen-ET/p/9639592.html
[2].使用Homebrew安装Mysql[mac]. https://www.jianshu.com/p/4cb5ef29a099