Mysql free installation configuration tutorial and command diagram

Mysql free installation version configuration tutorial

Graphic version

• Configure environment variables

 

 

• Create a new my.ini file and add the following content

	[mysqld]

	basedir=C:\\software\Mysql\mysql-5.7.14-winx64

	datadir=C:\\software\Mysql\mysql-5.7.14-winx64\data

	port=3306

 

 

• Run cmd as an administrator and switch to the bin directory

 

 

• Execute the following statement to initialize

	mysqld --initialize --user=mysql --console

 

 

• Install the mysql service and execute the following statement

	mysqld --install MySQL

 

 

• start the service

	net start mysql

 

 

• If you already have the mysql service, but you can't use it , execute the following statement -- delete the service, and start from step 5 again

	mysqld --remove  

• login database

	mysql -u root -p

 

 

• Add a line after [mysqld] in the my.ini fileskip-grant-tables

 

 

• Shut down the mysql service and restart it, that is, net stop mysqlandnet start mysql

 

 

• Re-login: mysql -u root -pNo need to enter a password, directly enter.

  

   

• using mysql database,use mysql

• Query the user table of the mysql database, select * from user;

 

 

• Perform an update operation on the table user:

update user set authentication_string = password("root") where user="root";

• Exit mysqlskip-grant-tables , remove the one in the my.ini file, and restart the mysql service

  

Go to the mysql database, when using the sql command, if the following error occurs :

mysql> show databases;
ERROR 1820 (HY000): You must reset your password using ALTER USER statement before executing this statement.

 

 

Add three sentences:

step 1: SET PASSWORD = PASSWORD('your new password');

step 2: ALTER USER 'root'@'localhost' PASSWORD EXPIRE NEVER;

step 3:flush privileges;

In step1, your new password is written by yourself !

Character version

Here is the text version:

 

 

Below is the successful picture!

 

Mysql common command diagram

 

 

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