MySQL数据库安装

MySQL下载

下载地址：https://dev.mysql.com/downloads/mysql/

可以选择下载msi或zip，以下为zip模式安装步骤

下载了mysql的zip安装包之后解压即可；

Windows安装步骤

1. 初始化MySQL，并记录生成的用户密码root的随机密码

   在mysql安装包的bin目录下使用cmd执行以下命令

   mysqld --initialize --console
   

   E:\apply\mysql\mysql-8.0.31-winx64\bin>mysqld --initialize --console
   2023-07-13T14:18:28.825887Z 0 [System] [MY-013169] [Server] E:\apply\mysql\mysql-8.0.31-winx64\bin\mysqld.exe (mysqld 8.0.31) initializing of server in progress as process 22544
   2023-07-13T14:18:28.852772Z 1 [System] [MY-013576] [InnoDB] InnoDB initialization has started.
   2023-07-13T14:18:29.427576Z 1 [System] [MY-013577] [InnoDB] InnoDB initialization has ended.
   2023-07-13T14:18:30.032669Z 6 [Note] [MY-010454] [Server] A temporary password is generated for root@localhost: .Ri0?lW#g,w0
   

2. 安装MySQL服务

   mysqld --install
   

   E:\apply\mysql\mysql-8.0.31-winx64\bin>mysqld --install
   Service successfully installed.
   

3. 启动MySQL服务

   net start mysql
   

   E:\apply\mysql\mysql-8.0.31-winx64\bin>net start mysql
   MySQL 服务正在启动 .
   MySQL 服务已经启动成功。
   

4. 访问MySQL数据库(密码为第一步初始化mysql生成的随机密码)

   mysql -u root -p
   

   E:\apply\mysql\mysql-8.0.31-winx64\bin>mysql -u root -p
   Enter password: ************
   Welcome to the MySQL monitor.  Commands end with ; or \g.
   Your MySQL connection id is 9
   Server version: 8.0.31Copyright (c) 2000, 2022, Oracle and/or its affiliates.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>
   

5. 修改MySQL密码

   alter user 'root'@'localhost' identified by '新密码';
   

   mysql> alter user 'root'@'localhost' identified by '新密码';
   Query OK, 0 rows affected (0.02 sec)
   

6. 刷新权限使修改的密码生效

   flush privileges;
   

   mysql> flush privileges;
   Query OK, 0 rows affected (0.02 sec)
   

7. 设置用户远程访问权限

   RENAME USER `root`@`localhost` TO `root`@`%`;
   

   mysql> RENAME USER `root`@`localhost` TO `root`@`%`;
   Query OK, 0 rows affected (0.01 sec)