這篇文章主要為大家展示了“MySQL如何忘記root密碼”，內(nèi)容簡而易懂，條理清晰，希望能夠幫助大家解決疑惑，下面讓小編帶領(lǐng)大家一起研究并學(xué)習(xí)一下“MySQL如何忘記root密碼”這篇文章吧。

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1、啟動MySQL
[root@localhost ~]# mysqld_safe --skip-grant-tables &    

2、登錄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密碼
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、重新使用密碼登錄
[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如何忘記root密碼”這篇文章的所有內(nèi)容，感謝各位的閱讀！相信大家都有了一定的了解，希望分享的內(nèi)容對大家有所幫助，如果還想學(xué)習(xí)更多知識，歡迎關(guān)注創(chuàng)新互聯(lián)行業(yè)資訊頻道！

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