how to change root password in mysql code example

Example 1: change root password mysql

#First Login with administrative account (Even root itself)

mysql> use mysql;
mysql> SET PASSWORD FOR 'root'@'localhost' = PASSWORD("NewPassword");
mysql> flush privileges;

#Now quit and login
mysql> quit

mysql -u root -p
#Click enter and It will prompt you to enter password
#Just to be safe you should also still try to log in without entering a password

Example 2: mysql admin u root p password change password

#Change or update mysql root password
#Go to win cmd and cd into C:\Program Files\MySQL\MySQL Server 8.0\bin
#Then type in the following: (password - current root password)
mysqladmin -u root -p password newpass

Example 3: set password mysql

-- In case the UPDATE command returns "Column 'Password' is not updatable" run
ALTER USER 'root'@'localhost' IDENTIFIED BY 'newPassword';
flush privileges;

Example 4: mysql set root password

use mysql;

update user set authentication_string=PASSWORD("mynewpassword") where User='root';

flush privileges;

quit

Example 5: 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 6: how to change mysql localhost password

ALTER USER 'root'@'localhost' IDENTIFIED BY 'NewPassword'