MySQL8.0.26 decompression version installation

MySQL8.0.26 decompression version installation

1. Download the decompressed MySQL installation package

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

2. Unzip the MySQL installation package

Unzip the data package in the installation directory (note: you can unzip it to your own defined directory as needed)
such as:D:\devenvironments\mysql\mysql-8.0.26

3. Configure my.ini file

Create a new configuration file in D:\devenvironments\mysql\mysql-8.0.26the (note that this is your own installation path) directory, the file name is my.ini, and then copy the following configuration code to my.ini(the path in the code should be changed to your own file storage path)

[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=D:\devenvironments\mysql\mysql-8.0.26
# 设置mysql数据库的数据的存放目录
datadir=D:\devenvironments\mysql\mysql-8.0.26\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

4. Configure environment variables

1. Right click 我的电脑--> 属性--> 高级系统设置--> 高级--> 环境变量
2. Create a new variable in the system variable Variable
name: MYSQL_HOME
variable value: D:\devenvironments\mysql\mysql-8.0.26(MySQL installation path)
3. Find the path variable and add variable value
%MYSQL_HOME%\bin

5. Initialize MySQL

Open the cmd command line tool as an administrator, enter the MySQL installation directory, execute mysqld --initialize --console(no need to close the command line tool), remember the initial password, so that you can log in and change the password later

6. Register/install MySQL service

Then entermysqld -install

7. Start the MySQL service

Then enternet start mysql

8. Log in to MySQL and change the default account password

Then enter mysql -u root -pand press Enter, enter the initialization password just now

If the above description appears, it means that the MySQL login is successful

Enter ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY 'root';to modify the default password (customize the default password as needed)

Appears Query OKto indicate that the MySQL default password has been successfully modified, just log in again