解决mysql登录出现ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: YSE)

1.service mysqld start

2.mysqld_safe --user=mysql --skip-grant-tables --skip-networking &

3. mysql -u root mysql
   
mysql> UPDATE user SET Password=PASSWORD('123456') where USER='root';
mysql> FLUSH PRIVILEGES;
mysql> quit;

      4.service mysqld restart
mysql -uroot -p
Enter password:
123456

mysql>show databases;