命令登录MySQL时，报错ERROR 1045 (28000): Access denied for user root@localhost (using password: NO)错误解决方法
1、停用mysql服务：# /etc/rc.d/init.d/mysqld stop
2、输入命令：# mysqld_safe --user=mysql --skip-grant-tables --skip-networking &
3、登入数据库：# mysql -u root mysql
4、mysql> use mysql;结果如下： Database changed ；
5、显示MySQL所有用户:selecthost,user,password from user;
6、添加 MySQL 用户(user name:user1,password:sql): grant all on *.* to user1@'%' identified by 'sql' with grant option;
7、mysql> UPDATE user SET Password=PASSWORD('newpassword')where USER='newuser'; 结果如下： Query OK, 3 rows affected (0.00 sec)
Rows matched: 3 Changed: 3 Warnings: 0
mysql>FLUSH PRIVILEGES; 结果如下： Query OK, 0 rows affected (0.00 sec)
mysql> quit
# /etc/init.d/mysql restart
# mysql -u newuser–p Enter password:newpassword mysql><登录成功>
显示MySQL所有用户: usemysql;
selecthost,user,password from user;
添加 MySQL 用户(user name:user1,password:sql):
grant all on *.* to user1@'%' identified by 'sql' with grant option;