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HomeDatabaseMysql TutorialHow to solve the problem of forgotten password in MySQL

MySQL is a widely used relational database management system and one of the popular databases on the Internet. However, in the process of using MySQL, sometimes you may encounter situations where your password is forgotten or you cannot log in. This article will introduce how to solve the problem of forgotten password in MySQL.

1. Use the root account to modify

  1. Open a terminal or command line window and enter the following command to log in to the database:
mysql -u root -p
  1. Enter the root account Password, enter the following command on the mysql command line after successful login:
USEmysql;
  1. To update the password of the administrator account, enter the following command:

You need to change the password here: Replace "password" with the password you want to change.

UPDATEuserSETPassword=PASSWORD('password')WHEREUser='root';
  1. Refresh permissions to avoid possible permission inconsistencies:
FLUSHPRIVILEGES;

5. Exit the database command line and restart the MySQL service. At this time, you can log in to MySQL again using the new password.

2. Use skip-grant-tables to modify

If you forget the password of the root account, or the above method cannot solve the problem, you can try to use skip-grant-tables to modify it.

  1. Edit the MySQL configuration file:

Use the editing tool to open the MySQL configuration file and add the following configuration:

Comment out "skip-networking" "All lines before the line, and add the following lines of configuration:

skip-grant-tables
  1. Open a terminal or command line window and enter the following command to start the MySQL service:
/etc/init.d/mysql start

or

service mysql start
  1. Connect to the MySQL service:
mysql -u root -p

Enter the password for skip-grant-tables added above. After successful login, enter the following command on the mysql command line:

USEmysql;
  1. To update the password of the administrator account, enter the following command:

You need to replace "password" with the password you want to change.

UPDATEuserSETPassword=PASSWORD('password')WHEREUser='root';

At the same time, the access permission information needs to be updated:

UPDATEuserSETplugin='mysql_native_password'WHEREUser='root';
  1. Refresh permissions to avoid possible permission inconsistencies:
FLUSHPRIVILEGES;
  1. Based on actual conditions Modify the skip-grant-tables in the MySQL configuration file to #skip-grant-tables, and then restart the MySQL service:
/etc/init.d/mysql restart

or

service mysql restart

3. Use operation and maintenance tools to modify

If you don’t want to use the command line, you can try to use the MySQL operation and maintenance tool to make modifications. There are many kinds of operation and maintenance tools, such as phpMyAdmin, MySQL Workbench, etc. This article uses phpMyAdmin as an example to illustrate.

  1. Open phpMyAdmin:

Use a browser to access the phpMyAdmin website, enter the MySQL administrator account and password to log in:

http://localhost:8080/phpmyadmin/
  1. Find the account Edit page:

Find the "User accounts" option on the phpMyAdmin page and click to enter the account management page.

  1. Modify account password:

Find the account that needs to change the password on the account management page, click "Edit privileges", and then select the "Change password" option.

  1. Update password:

Enter the new password in the "Change password" option page, and then save the settings.

Summary

When you encounter a situation where you forget your MySQL password, you can solve the problem by using the root account to modify it, using skip-grant-tables to modify it, or using operation and maintenance tools to modify it. . However, no matter which method is used, you need to operate with caution to avoid problems such as data loss or the database not being able to be used normally.

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