MySQL version 8 installation Free Tutorial

MySQL8 Version installation Free Tutorial

1、 download Mysql8 Installation free package

website ：MySQL :: Download MySQL Community Server

2、 decompression

3、 Configure environment variables

4、 modify my.ini file

[mysqld]

#  Set up 3306 port 

port=3306

#  Set up mysql Installation directory 

basedir=D:\MySql\mysql-8.0.22-winx64

#  Set up mysql Database data storage directory 

datadir=D:\MySql\mysql-8.0.22-winx64\Data

#  Maximum connections allowed 

max_connections=200

#  Number of connection failures allowed .

max_connect_errors=10

#  The character set used by the server defaults to utf8mb4

character-set-server=utf8mb4

#  The default storage engine that will be used when creating a new table 

default-storage-engine=INNODB

#  By default “mysql_native_password” Plug in authentication 

#mysql_native_password

default_authentication_plugin=mysql_native_password

[mysql]

#  Set up mysql Client default character set 

default-character-set=utf8mb4

[client]

#  Set up mysql The default port when the client connects to the server 

port=3306

default-character-set=utf8mb4

5、 Initialize the database and install 、 Login database

First open the command prompt as an administrator （cmd）

1、 Initialize database

Generate initial password , yes [email protected] After the character , We need to write it down , I use .

#  The path must be in the installation folder 
mysqld --initialize --console

2、 install MySQL service

# mysqld --install  service name , here ⽤mysql8 As a service name 
mysqld --install mysql8

3、 Start the service

# net start  service name 
net start mysql8

4、 Sign in MySQL
send ⽤ Default assigned password ( The initial password ) Into the ⾏ Sign in

mysql -uroot -p Initial password 

5、 modify root password

ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password
 BY 'xxx'; xxx It's you ⾃⼰ Defined password .

Refresh

flush privileges;

6、 Log back in
The new password can also log in successfully ！