mysql5.6 root密码忘记_mysql5.6版本root密码忘记的修改方法

mysql5.6忘记数据库的root密码：[root@oraserver139 ~]# mysql -uroot -pEnter password:ERROR 1045 (28000):Access denied for user 'root'@'localhost' (using password: NO)查看当前安装的mysql版本：root@oraserver139 ~]# rpm -qa | grep MySQLMySQL-server-5.6.15-1.el6.x86_64MySQL-client-5.6.15-1.el6.x86_64MySQL-shared-compat-5.6.15-1.el6.x86_64MySQL-devel-5.6.15-1.el6.x86_64perl-DBD-MySQL-4.022-1.el6.rfx.x86_64停止mysql服务：[root@oraserver139 ~]# service mysql stopShutting down MySQL.. SUCCESS!进入到skip-grant-tables模式：[root@oraserver139 ~]#mysqld_safe --skip-grant-tables140211 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现在就不需要密码就可以进入mysql了：[root@oraserver139 ~]# mysqlWelcome to the MySQL monitor. Commands end with ; or \g.Your MySQL connection id is 1Server version: 5.6.15 MySQL Community Server (GPL)Copyright (c) 2000, 2013,Oracleand/or its affiliates. All rights reserved.Oracle is a registered trademark of Oracle Corporation and/or itsaffiliates. Other names may be trademarks of their respectiveowners.Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.进入mysql系统数据库：mysql>use mysqlReading table information for completion of table and column namesYou can turn off this feature to get a quicker startup with -ADatabase changed修改root账户密码：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刷新权限：mysql>flush privileges;Query OK, 0 rows affected (0.00 sec)mysql> exitBye停止mysql进程：[1]+ Stopped mysqld_safe --skip-grant-tables启动mysql：[root@oraserver139 ~]#service mysql startStarting MySQL SUCCESS!使用刚才修改的密码进入mysql：[root@oraserver139 ~]#mysql -uroot -p12345Warning: 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 3Server version: 5.6.15Copyright (c) 2000, 2013, Oracle and/or its affiliates. All rights reserved.Oracle is a registered trademark of Oracle Corporation and/or itsaffiliates. Other names may be trademarks of their respectiveowners.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 statementmysql>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；