Windows To configure Mysql8

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1、 download MySQL 8.0.16

Log in to the official website ：downloads.mysql.com/, The official link can be downloaded directly zip Compressed package

Decompress after downloading . My decompression location is D:\environment\Mysql\mysql-8.0.16-winx64

2、 modify environment variable

Add variables to the system variables MYSQL_HOME, The variable value is the installation path D:\environment\Mysql\mysql-8.0.16-winx64

stay path Add %MYSQL_HOME%\bin, Notice that there is no semicolon after this .

3、 Initialize and install

Create a new one under the decompression path you set my.ini file

[mysql]
#  Set up mysql Client default character set 
default-character-set=utf8
[mysqld]
#  Set up 3306 port 
port=3306


#  Set up mysql Installation directory ( Write your own decompression path here )
basedir=D:\environment\Mysql\mysql-8.0.16-winx64
#  Set up mysql Database data storage directory ( Write your own decompression path here and add \data)
datadir=D:\environment\Mysql\mysql-8.0.16-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 utf8
character-set-server=utf8
#  The default storage engine that will be used when creating a new table 
default-storage-engine=INNODB

After writing , Open as administrator cmd, Enter the command ：

mysqld --initialize --console

After executing the last command

Note that the red block diagram in the figure shows the temporary random password , You can record , You need to use .

Install after initialization , Use ：

mysqld --install
# After installation 
C:\Windows\system32>mysqld --install
Service successfully installed.
 # uninstall 
mysqld --remove

4、 Start the service and change the password

Start with command mysql service

net start mysql
 # Successful launch 
MySQL  The service is starting  .
MySQL  Service started successfully .

You need to change the password after startup , Enter the command to log in mysql：

mysql -u root -p

Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 12
Server version: 8.0.16

Copyright (c) 2000, 2019, 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.

Here, use the temporary password you need to remember to log in , Then use the command

ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY ' New password ';

Query OK, 0 rows affected (0.01 sec)

Change it to your own password , Here's the new password 6 Above position .

Input quit; , sign out mysql.

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