mysql password life time to set and reset for global or for user

At script level you will get this message. Your PhpMyAdmin will also give you error message.

Error: Unable to connect to MySQL.

Debugging errno: 1862
Debugging error: Your password has expired. To log in you must change it using a client that supports expired passwords.

Open your MySQL Command Line Control
Enter your password ( it will accept ) and then enter this

SET GLOBAL default_password_lifetime = 0;

The password will never expire now.

To update password

ALTER USER 'usrname'@'localhost' IDENTIFIED BY 'new-password';

To expire any user account

ALTER USER 'user_id'@'localhost' PASSWORD EXPIRE;

Not to expire any user password

ALTER USER 'my_userid'@'localhost' PASSWORD EXPIRE NEVER

To set the password duration for all the users ( global ) , 60 days

SET GLOBAL default_password_lifetime = 60;

For a user to set a different days than the global set value

ALTER USER 'userid'@'localhost' PASSWORD EXPIRE INTERVAL 30 DAY;

In all these cases MySQL keeps the user in Sandbox Mode , that is the user is allowed for changing the password only.
PHP MYSQLI connection string
PHP MySQL functions Connecting to MySQL database

Subhendu Mohapatra

Author & Instructor at plus2net

I write and maintain practical tutorials on Python, PHP, SQL, JavaScript, HTML, jQuery, and web development at plus2net. The tutorials focus on clear explanations, working examples, and code that readers can test and adapt while learning.

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MySQL password expire setting for users and global

Subhendu Mohapatra