mysql5.6.15忘记数据库的root密码：

[root@oraserver139 ~]# mysql -uroot -p

Enter 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 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

停止mysql服务：

[root@oraserver139 ~]# service mysql stop

Shutting down MySQL.. SUCCESS!

进入到skip-grant-tables模式：

[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

现在就不需要密码就可以进入mysql了：

[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)

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.

进入mysql系统数据库：

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

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> exit

Bye

停止mysql进程：

[1]+ Stopped mysqld_safe --skip-grant-tables

启动mysql：

[root@oraserver139 ~]#service mysql start

Starting MySQL SUCCESS!

使用刚才修改的密码进入mysql：

[root@oraserver139 ~]#mysql -uroot -p12345

mysql5.6.15忘记数据库的root密码：

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