how to set password for mysql code example

Example 1: 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 2: mysql set root password

use mysql;

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

flush privileges;

quit

Example 3: mysql set password for user

# `SET PASSWORD FOR <user> = PASSWORD('<plaintext_password>')` is deprecated
SET PASSWORD FOR <user> = '<plaintext_password>';
FLUSH PRIVILEGES;