Mysql5.7 compressed package installation tutorial

1. download mysql Compressed package

https://downloads.mysql.com/archives/community/
Choose the version you want to download

Unzip the downloaded compressed package and create a new data The folder and my.ini file

stay my.ini Write configuration files inside

[mysql]
#  Set up mysql Client default character set 
default-character-set=utf8 
[mysqld]
# Set up 3306 port 
port = 3306 
#  Set up mysql Installation directory 
basedir=D:\mysql-5.7.32-winx64
#  Set up mysql Database data storage directory 
datadir=D:\mysql-5.7.32-winx64\data
#  Maximum connections allowed 
max_connections=200
#  The character set used by the server defaults to 8 Bit coded latin1 Character set 
character-set-server=utf8
#  The default storage engine that will be used when creating a new table 
default-storage-engine=INNODB
# Password-free login 
skip-grant-tables

To configure mysql environment variable

To configure mysql

Input

mysqld --initialize

mysqld -install

net start mysql

Change Password

The first method ： Open password free login in the form of configuration file

mysql -u root -p

Because in my.ini There is no password login configured , So there is no need to enter a password

Get into mysql

use mysql

update mysql.user set authentication_string=password('123456') where user='root';

sign out cmd, And will my.ini The password free login in it is commented out

The second method ： Open password free login by command
(1) Out of Service net stop mysql
(2) Input mysqld --skip-grant-tables Open password free MySQL service . This is the time , The cursor keeps flashing . Be careful , don't move , Open another command line window .
(3) In the new dos Window input command ：mysql –u root –p password ( The default password is root) Directly enter . Login successful .
Get into mysql

use mysql

update mysql.user set authentication_string=password('123456') where user='root';

Restart the service

net stop mysql

net start mysql

Re enter mysql You need a password