12、 Sys. dm_hadr_availability_replica_cluster_states

为Windows Server故障转移群集(WSFC)群集中所有AlwaysOn可用性组(无论副本位置如何)的每个AlwaysOn可用性副本(无论加入状态如1 下载安装包

1.1 压缩包

https://dev.mysql.com/downloads/mysql/

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1.2 安装包

使用安装包安装则无需后续步骤

https://dev.mysql.com/downloads/file/?id=488055

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2 配置环境变量

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3 初始化MySQL

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在MySQL路径下输入命令mysqld --initialize --user=mysql --console

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3.1 记住你的初始密码

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2019-08-24T11:55:10.299750Z 0 [System] [MY-013169] [Server] F:\DEV\env\mysql-8.0.17-winx64\bin\mysqld.exe (mysqld 8.0.17) initializing of server in progress as process 27232 2019-08-24T11:55:10.355861Z 0 [Warning] [MY-013242] [Server] --character-set-server: ‘utf8’ is currently an alias for the character set UTF8MB3, but will be an alias for UTF8MB4 in a future release. Please consider using UTF8MB4 in order to be unambiguous. 2019-08-24T11:55:33.531673Z 5 [Note] [MY-010454] [Server] A temporary password is generated for root@localhost: k;k;w6OJEZ#Q

2019-08-24T11:55:45.353166Z 0 [System] [MY-013170] [Server] F:\DEV\env\mysql-8.0.17-winx64\bin\mysqld.exe (mysqld 8.0.17) initializing of server has completed

4 启动服务

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接着就是输入mysqld -install进行服务的添加

输入net start mysql启动服务

输入mysql -u root -p进行登录数据库，这时提示需要密码，然后就是用你上面的密码登录

修改密码语句：ALTER USER root@localhost IDENTIFIED BY ‘123456’; 修改密码为：123456

如果控制台乱码，可以改编码为utf-8

如果用git bash遇到问题，可以使用Windows自带的cmd或者powershell