Install MySQL version 5.7 or above on windows (install in compressed package)

1 download

First, open the official website for downloading

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

Go in and choose 5.7 edition

2 install

Unzip after download , After decompression, it is as follows （zip It's installation free , After decompression and configuration, you can use ）

Be careful ： Only 5.6 Only the previous version can be installed online （install msi）,5.7 After that, it was zip Compressed version

2.1 Configure environment variables

After decompression , Directly configure environment variables

2.2 Write profile

take my.ini Put in Installation directory

The contents of the document are as follows ：

[client]
port=3306
default-character-set=utf8
[mysqld] 
#  Set it to itself MYSQL Installation directory  
basedir=D:/softinstall/mysql5.7/mysql-5.7.38-winx64
#  Set to MYSQL Data directory for  
datadir=D:/softinstall/mysql5.7/mysql-5.7.38-winx64/data
port=3306
character_set_server=utf8
sql_mode=NO_ENGINE_SUBSTITUTION,NO_AUTO_CREATE_USER
# Turn on query cache 
explicit_defaults_for_timestamp=true
skip-grant-tables
max_allowed_packet = 400M

Be careful ：basedir and datadir Use... Between folders “/” instead of “\”, Otherwise, errors may occur in the following operations . It is also said that stay my.ini The correct path in the requires double “\”.

2.3 cmd It's installed inside

Open as administrator cmd Command window , Switch directory to MySQL Of the installation directory bin Under the table of contents
Get into mysql Of bin Execute... After directory

mysqld install

initialization

After executing this command

mysqld --initialize-insecure --user=mysql

, At this time mysql Just create one for yourself data Folder . If there is such a problem , Tips Can’ t create directory .

net start mysql  command （ start-up MYSQL command ）

net stop mysql  command （ stop it MYSQL command ）

UPDATE mysql.user SET authentication_string = PASSWORD(' password ') WHERE user = 'root';

#  My orders  
UPDATE mysql.user SET authentication_string = PASSWORD('123456') WHERE user = 'root';

FLUSH PRIVILEGES;

The above changes the password