解决 ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: NO) 问题
#1.停止mysql数据库
/etc/init.d/mysqld stop#2.执行如下命令mysqld_safe --user=mysql --skip-grant-tables --skip-networking .使用root登录mysql数据库mysqld --skip-grant-tables -u root
#4.换另一个客户端登陆
mysql -u root
#5.更新root密码mysql> UPDATE user SET Password=PASSWORD('newpassword') where USER='root';#最新版MySQL请采用如下SQL:mysql> UPDATE user SET authentication_string=PASSWORD('newpassword') where USER='root';#6.刷新权限 mysql> FLUSH PRIVILEGES;#7.退出mysqlmysql> quit#8.重启mysql/etc/init.d/mysqld restart#9.使用root用户重新登录mysqlmysql -uroot -p Enter password: <输入新设的密码newpassword>

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