[b]mysql5.6忘记数据库的root密码：[/b] [root@oraserver139 ~]# mysql -uroot -p Enter password: ERROR 1045 (28000): Access denied for user 'root'@'localhost' (using password: NO) [b]查看当前安装的mysql版本：[/b] root@oraserver139 ~]# rpm -qa | grep MySQL MySQL-server-5.6.15-1.el6.x86_64 MySQL-client-5.6.15-1.el6.x86_64 MySQL-shared-compat-5.6.15-1.el6.x86_64 MySQL-devel-5.6.15-1.el6.x86_64 perl-DBD-MySQL-4.022-1.el6.rfx.x86_64 [b]停止mysql服务： [/b] [root@oraserver139 ~]# service mysql stop Shutting down MySQL.. SUCCESS! [b]进入到skip-grant-tables模式：[/b] [root@oraserver139 ~]# mysqld_safe --skip-grant-tables 140211 15:37:49 mysqld_safe Logging to '/var/lib/mysql/oraserver139.err'. 140211 15:37:49 mysqld_safe Starting mysqld daemon with databases from /var/lib/mysql [b]现在就不需要密码就可以进入mysql了：[/b] [root@oraserver139 ~]# mysql Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 1 Server version: 5.6.15 MySQL Community Server (GPL) Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved. Oracle is a registered trademark of Oracle Corporation and/or its affiliates. Other names may be trademarks of their respective owners. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. [b]进入mysql系统数据库：[/b] mysql> use mysql Reading table information for completion of table and column names You can turn off this feature to get a quicker startup with -A Database changed [b]修改root账户密码：[/b] mysql> update user set password=password("12345") where user="root"; Query OK, 4 rows affected (0.02 sec) Rows matched: 4 Changed: 4 Warnings: 0 [b]刷新权限：[/b] mysql> flush privileges; Query OK, 0 rows affected (0.00 sec) mysql> exit Bye [b]停止mysql进程：[/b] [1]+ Stopped mysqld_safe --skip-grant-tables [b]启动mysql：[/b] [root@oraserver139 ~]# service mysql start Starting MySQL SUCCESS! [b]使用刚才修改的密码进入mysql：[/b] [root@oraserver139 ~]# mysql -uroot -p12345 Warning: Using a password on the command line interface can be insecure. Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 3 Server version: 5.6.15 Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved. Oracle is a registered trademark of Oracle Corporation and/or its affiliates. Other names may be trademarks of their respective owners. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. mysql> show databases; ERROR 1820 (HY000): You must SET PASSWORD before executing this statement mysql> SET PASSWORD = PASSWORD('12345'); Query OK, 0 rows affected (0.00 sec) mysql> show databases; +--------------------+ | Database | +--------------------+ | information_schema | | mysql | | performance_schema | | test | +--------------------+ 4 rows in set (0.00 sec) 修改完成； 以上所述是小编给大家介绍的Mysql5.6忘记root密码修改root密码的方法，希望对大家有所帮助，如果大家有任何疑问请给我留言，小编会及时回复大家的。在此也非常感谢大家对编程素材网网站的支持！