how to reset password in mysql

MySQL is an open source relational database management system that is widely used in various types of application development. When using the MySQL database, you often need to change the password to improve the security of the database. This article will introduce how to change the MySQL password through specific code examples.

In MySQL, you can change the password through the following steps:

1. Log in to the MySQL database server:
   Open a command prompt or terminal window and execute the following Command:

   mysql -u root -p

   Enter the administrator user name (usually root), and then press Enter. You will be prompted to enter the password. Enter the password and press Enter to log in to the MySQL database server.

2. Switch to the user who needs to change the password:
   After successful login, use the following command to switch to the user who needs to change the password:

   USE mysql;

   In the above command mysql is the system library for the MySQL database.

3. View the current user's password policy:
   Execute the following command to view the current user's password policy:

   SELECT host, user, plugin FROM user WHERE user = '需要修改密码的用户名';

   Change the 'user who needs to change the password' in the above command 'name' with the username that actually needs to be changed. After successful execution, the current user's host, username, and password plug-in type will be returned.

4. Modify the user password:
   Execute the following command to modify the user password:

   ALTER USER '需要修改密码的用户名'@'localhost' IDENTIFIED BY '新密码';

   Replace the 'user name that needs to change the password' in the above command with the actual need Change the username of the password, replace 'localhost' with the actual host name or IP address, and replace 'new password' with the new password actually set. After the execution is successful, a prompt will be returned indicating that the password has been successfully changed.

5. Refresh permissions:
   Execute the following command to refresh permissions so that the modified password takes effect:

   FLUSH PRIVILEGES;

   After successful execution, a prompt for successfully refreshing permissions will be returned.

Through the above steps, you can successfully change the password of the MySQL user.

It should be noted that the specific syntax and commands may differ depending on the version of MySQL. When executing the above code example, please make appropriate adjustments according to the actual situation.

Summary:
This article introduces how to change the password in the MySQL database through specific code examples. To change the password, first log in to the MySQL database server, then switch to the user whose password needs to be changed, view the current user's password policy, then change the user's password, and finally refresh the permissions. Through the above steps, you can successfully change the password of the MySQL user and improve the security of the database.

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