## MySQL专题一：安装与连接(Windows环境mysql版本8.0以上) [TOC] ### 1.1. 下载Window版本 [https://dev.mysql.com/downloads/installer/](https://dev.mysql.com/downloads/installer/) ### 1.2. 初始化 >mysqld --initialize --console ```bash C:\Users\Follow>mysqld --initialize --console 2020-04-07T09:14:11.438432Z 0 [System] [MY-013169] [Server] E:\mysql-8.0.19-winx64\bin\mysqld.exe (mysqld 8.0.19) initializing of server in progress as process 16388 2020-04-07T09:14:52.316112Z 5 [Note] [MY-010454] [Server] A temporary password is generated for root@localhost: fAWsp0s0mH=d ``` ### 1.3. 启动Mysql服务 >mysqld --console ```bash C:\Users\Follow>mysqld --console 2020-04-07T09:21:36.435907Z 0 [System] [MY-010116] [Server] E:\mysql-8.0.19-winx64\bin\mysqld.exe (mysqld 8.0.19) starting as process 5764 2020-04-07T09:21:45.574180Z 0 [Warning] [MY-010068] [Server] CA certificate ca.pem is self signed. 2020-04-07T09:21:46.022142Z 0 [System] [MY-010931] [Server] E:\mysql-8.0.19-winx64\bin\mysqld.exe: ready for connections. Version: '8.0.19' socket: '' port: 3306 MySQL Community Server - GPL. 2020-04-07T09:21:46.093546Z 0 [System] [MY-011323] [Server] X Plugin ready for connections. Bind-address: '::' port: 33060 ``` ### 1.4. 连接并修改root密码 新开一个CMD窗口 >mysql -u root -p >Enter password: fAWsp0s0mH=d（第2步中生成了一个临时的密码fAWsp0s0mH=d） >alter user 'root'@'localhost' identified with mysql_native_password by '**new Password**'; ```bash C:\Users\Follow>mysql -u root -p Enter password: ************ Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 9 Server version: 8.0.19 Copyright (c) 2000, 2020, 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> mysql> alter user 'root'@'localhost' identified with mysql_native_password by 'root'; Query OK, 0 rows affected (0.24 sec) ``` ### 1.5. 断开并重新连接 ```bash mysql> quit Bye ``` 使用新设置的密码，可以正常访问连上 ```bash C:\Users\Follow>mysql -u root -p Enter password: **** Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 11 Server version: 8.0.19 MySQL Community Server - GPL Copyright (c) 2000, 2020, 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> ```