change database password mysql code example
Example 1: mysql change user password
SET PASSWORD FOR 'user-name'@'localhost' = PASSWORD('NEW_USER_PASSWORD');FLUSH PRIVILEGES;
Example 2: change mysql password from command line
ALTER USER 'root'@'localhost' IDENTIFIED BY 'New-Password';
Example 3: enable password in mysql root user in mysql 8
1. If you in skip-grant-tables mode in mysqld_safe:
mysql> UPDATE mysql.user SET authentication_string=null WHERE User='root';
mysql> FLUSH PRIVILEGES;
mysql> exit;
and then, in terminal:
$ mysql -u root
in mysql:
mysql> ALTER USER 'root'@'localhost' IDENTIFIED WITH caching_sha2_password BY 'yourpasswd';
2. Not in skip-grant-tables mode just in mysql:
mysql> ALTER USER 'root'@'localhost' IDENTIFIED WITH caching_sha2_password BY 'yourpasswd';
Example 4: how to change mysql localhost password
ALTER USER 'root'@'localhost' IDENTIFIED BY 'NewPassword'
Example 5: mysql change password
UPDATE mysql.user SET authentication_string=PASSWORD("rootpass") WHERE User='root';