1. 从MySQL官网下载免安装的压缩包mysql-5.7.21-winx64.zip
2. 解压到相应的目录(此处解压到C:\Program Files\mysql-5.7.21-winx64\bin)
3. 配置环境变量,将MySQL的启动目录(C:\Program Files\mysql-5.7.21-winx64\bin)添加到Path中
4. 在MySQL目录下(C:\Program Files\mysql-5.7.21-winx64\bin)创建my.ini文件,内容如下:
- [mysql]
- # 设置mysql客户端默认字符集
- default-character-set=utf8
- [mysqld]
- #设置3306端口
- port = 3306
- # 设置mysql的安装目录
- basedir=C:\Program Files\mysql-5.7.21-winx64
- # 设置mysql数据库的数据的存放目录
- datadir=C:\Program Files\mysql-5.7.21-winx64\data
- # 允许最大连接数
- max_connections=200
- # 服务端使用的字符集默认为8比特编码的latin1字符集
- character-set-server=utf8
- # 创建新表时将使用的默认存储引擎
- default-storage-engine=INNODB
- explicit_defaults_for_timestamp=true
5. 管理员身份运行cmd
切换目录:
- C:\Windows\system32>cd C:\Program Files\mysql-5.7.21-winx64\bin
生成MySQL服务:
- C:\Program Files\mysql-5.7.21-winx64\bin>mysqld -install
- Service successfully installed.
生成data目录:
- C:\Program Files\mysql-5.7.21-winx64\bin>mysqld --initialize-insecure --user=mysql
启动MySQL服务:
- C:\Program Files\mysql-5.7.21-winx64\bin>net start mysql
- MySQL 服务正在启动 .
- MySQL 服务已经启动成功。
6. 登录数据库,修改密码(默认密码为空)
登录数据库:
- C:\Windows\system32>mysql -uroot -p
- Enter password:
- Welcome to the MySQL monitor. Commands end with ; or \g.
- Your MySQL connection id is 2
- Server version: 5.7.21 MySQL Community Server (GPL)
- 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>
修改密码:
- mysql>
- mysql>
- mysql> show databases;
- +--------------------+
- | Database |
- +--------------------+
- | information_schema |
- | mysql |
- | performance_schema |
- | sys |
- +--------------------+
- 4 rows in set (0.00 sec)
- mysql> use mysql;
- Database changed
- mysql> ALTER USER 'root'@'localhost' IDENTIFIED BY '新密码';
- Query OK, 1 row affected, 1 warning (0.00 sec)
- Rows matched: 1 Changed: 1 Warnings: 1
- mysql>
- mysql>FLUSH PRIVILEGES;