MySql5.5忘卻root暗碼怎樣辦。本站提示廣大學習愛好者：（MySql5.5忘卻root暗碼怎樣辦）文章只能為提供參考，不一定能成為您想要的結果。以下是MySql5.5忘卻root暗碼怎樣辦正文
應用mysql5.5，忽然root暗碼忘卻，怎樣也登錄不了，很急人，該怎樣處理呢？上面經由過程本文給年夜家引見mysql5.5忘卻root暗碼的處理方法，須要的同伙參考下吧
辦法一：
操作體系：windows操作體系，xp或win7.
C:\Users\Administrator>cd C:\Program Files\MySQL\MySQL Server 5.5\bin
C:\Program Files\MySQL\MySQL Server 5.5\bin>net stop mysql
MySQL 辦事正在停滯.
MySQL 辦事已勝利停滯。
C:\Program Files\MySQL\MySQL Server 5.5\bin>mysqld --skip-grant-tables
你會看到窗口光標鄙人一行的第一個地位閃耀，這解釋曾經啟動了，不須要管。
新建一個敕令行窗口異樣進入到e:\mysql5.5\bin目次，啟動mysql
C:\Program Files\MySQL\MySQL Server 5.5\bin>mysql
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 1
Server version: 5.5.36 MySQL Community Server (GPL)
Copyright (c) 2000, 2014, 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 |
| mysql |
| performance_schema |
| test |
+--------------------+
4 rows in set (0.00 sec)
mysql> use mysql;
Database changed
mysql> update user set password=PASSWORD('oracle') where user='root';
Query OK, 2 rows affected (0.00 sec)
Rows matched: 2 Changed: 2 Warnings: 0
mysql> flush privileges;
Query OK, 0 rows affected (0.01 sec)
mysql> quit
Bye
看看那義務治理器中能否有mysqld.exe過程，若有，kill .
C:\Program Files\MySQL\MySQL Server 5.5\bin>net start mysql
MySQL 辦事正在啟動 .
MySQL 辦事曾經啟動勝利。
C:\Program Files\MySQL\MySQL Server 5.5\bin>mysql -uroot -poracle Welcome to the MySQL monitor. Commands end with ; or \g. Your MySQL connection id is 1 Server version: 5.5.36 MySQL Community Server (GPL) Copyright (c) 2000, 2014, 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>
辦法二：
操作體系：windows操作體系，xp或win7.
1.dos敕令行窗口 進入e:\mysql5.5\bin ,停滯mysql 辦事
e:\mysql5.5\bin>net stop mysql
留意:看看那義務治理器中能否有mysqld.exe過程，若有，kill them all.
2. 以不檢討權限的方法啟動mysql
e:\mysql5.5\bin>mysqld.exe --skip-grant-tables
你會看到窗口光標鄙人一行的第一個地位閃耀，這解釋曾經啟動了，不須要管。
3. 新建一個敕令行窗口異樣進入到e:\mysql5.5\bin目次，啟動mysql
e:\mysql5.5\bin>mysql
4. 修正root暗碼
mysql>use mysql
mysql>update user set password=PASSWORD('new_password') where user='root';
mysql>flush privileges;
mysql>quit
5. 看看那義務治理器中能否有mysqld.exe過程，若有，kill them all.
6. 重啟mysql，便可以用你設置新暗碼上岸
e:\mysql5.5\bin>net start mysql e:\mysql5.5\bin>mysql -u root -pnew_password that's all .
