ITPub博客

首页 > 数据库 > MySQL > mysql中的root密码忘记的解决办法

mysql中的root密码忘记的解决办法

原创 MySQL 作者:chenfeng 时间:2016-02-23 10:09:59 0 删除 编辑
让mysql不载入权限表,命令:mysqld --skip-grant-tables

命令:mysqld --skip-grant-tables(windows)
mysqld_safe --skip-grant-tables user=mysql或者/etc/init.d/mysql start --mysqld  --skip-grant-tables (linux)

Windows平台例子:
C:\Users\duansf>mysqld --skip-grant-tables

打开另外一个命令窗口,进入mysql的交互界面
C:\Users\duansf>mysql -uroot -p
Enter password: ******
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 15
Server version: 5.5.13 MySQL Community Server (GPL)

Copyright (c) 2000, 2010, 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>

用update语句重置root密码。
mysql> show databases;
+--------------------+
| Database           |
+--------------------+
| information_schema |
| mysql              |
| performance_schema |
| test               |
+--------------------+
4 rows in set (0.07 sec)

mysql> use mysql
Database changed


mysql> update user set Password=password('123456') where user='root';
Query OK, 1 row affected (0.00 sec)
Rows matched: 1  Changed: 1  Warnings: 0


mysql> commit;
Query OK, 0 rows affected (0.00 sec)


mysql> flush privileges;
Query OK, 0 rows affected (0.24 sec)


重新登陆验证密码修改是否成功
C:\Users\duansf>mysql -u root -p123456
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 16
Server version: 5.5.13 MySQL Community Server (GPL)

Copyright (c) 2000, 2010, 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>

来自 “ ITPUB博客 ” ,链接:http://blog.itpub.net/15498/viewspace-1992853/,如需转载,请注明出处,否则将追究法律责任。

请登录后发表评论 登录
全部评论
交流MySQL,MongoDB和Redis技术。 微信或QQ:410294

注册时间:2015-12-07

  • 博文量
    745
  • 访问量
    1749545