MySQL学习笔记——ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: NO)

ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: NO)

1 Enter password:
2 ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: NO)

解决办法：

1 # mysqladmin -uroot -p password 'newpassword'
2 Enter password:
3 mysqladmin: connect to server at 'localhost' failed
4 error: 'Access denied for user 'root'@'localhost' (using password: YES)'

1 mysql -u root -p