How to use MySQL commands to change password

MySQL is a very popular relational database management system that is widely used in the development of web applications. When using MySQL, changing the password is a very important task. In this article, we will explain how to use MySQL commands to change passwords.

MySQL provides multiple methods to change passwords. This article will introduce two of them: using the UPDATE statement and using the SET PASSWORD statement.

Method 1: Use the UPDATE statement

This method is relatively simple, just use the MySQL UPDATE statement. The specific steps are as follows:

1. Open the command line and enter the MySQL management interface:

mysql -u root -p

2. Enter the password to enter the MySQL management operation page.
3. Enter the following command to change the password:

UPDATE mysql.user SET Password = PASSWORD('new_password') WHERE User = 'username';

Please replace "new_password" with the new password and "username" with the username whose password you want to change.

4. Enter the following command to exit MySQL:

exit

Method 2: Use the SET PASSWORD statement

This method requires the use of the MySQL SET PASSWORD statement. The specific steps are as follows:

1. Open the command line and enter the MySQL management interface:

mysql -u root -p

2. Enter the password to enter the MySQL management operation page.
3. Enter the following command to change the password:

SET PASSWORD FOR 'username'@'localhost' = PASSWORD('new_password');

Please replace "new_password" with the new password and "username" with the username whose password you want to change.

4. Enter the following command to exit MySQL:

exit

It should be noted that the second method can only modify the password of a specific user, while the first method can modify any The user's password.

To sum up, MySQL provides a variety of methods to change passwords, and these methods are relatively simple. When you need to change your password, just follow the steps above. At the same time, MySQL's security is also very high because it does not allow login with clear text passwords. Therefore, MySQL's password modification system is very safe and reliable, and is an essential tool for operating a MySQL database.

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