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MySQL如何遗忘root密码

发布时间:2021-12-23 11:54:39 所属栏目:MySql教程 来源:互联网
导读:这篇文章主要为大家展示了MySQL如何忘记root密码,内容简而易懂,条理清晰,希望能够帮助大家解决疑惑,下面让小编带领大家一起研究并学习一下MySQL如何忘记root密码这篇文章吧。 1、启动MySQL [root@localhost ~]# mysqld_safe --skip-grant-tables 2、登
这篇文章主要为大家展示了“MySQL如何忘记root密码”,内容简而易懂,条理清晰,希望能够帮助大家解决疑惑,下面让小编带领大家一起研究并学习一下“MySQL如何忘记root密码”这篇文章吧。
 
1、启动MySQL
[root@localhost ~]# mysqld_safe --skip-grant-tables &    
 
2、登录MySQL
[root@localhost ~]# mysql -uroot -p
Enter password:
Welcome to the MySQL monitor.  Commands end with ; or g.
Your MySQL connection id is 1
Server version: 5.5.25a-log Source distribution
 
Copyright (c) 2000, 2011, 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;
+--------------------+
| Database           |
+--------------------+
| information_schema |
| allen              |
| mysql              |
| mytest             |
| performance_schema |
| test               |
+--------------------+
6 rows in set (0.00 sec)
 
mysql> use mysql
Database changed
mysql> update user set password=PASSWORD("123456") where user="root";     --修改root密码
Query OK, 4 rows affected (0.00 sec)
Rows matched: 4  Changed: 4  Warnings: 0
 
mysql> flush privileges;
Query OK, 0 rows affected (0.00 sec)
 
mysql> quit
Bye
 
3、重新使用密码登录
[root@localhost ~]# mysql -uroot -p123456
Welcome to the MySQL monitor.  Commands end with ; or g.
Your MySQL connection id is 2
Server version: 5.5.25a-log Source distribution
 
Copyright (c) 2000, 2011, 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;
+--------------------+
| Database           |
+--------------------+
| information_schema |
| allen              |
| mysql              |
| mytest             |
| performance_schema |
| test               |
+--------------------+
6 rows in set (0.00 sec)
 
以上是“MySQL如何忘记root密码”这篇文章的所有内容,感谢各位的阅读!

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