MySQL修正root賬號暗碼的辦法。本站提示廣大學習愛好者：（MySQL修正root賬號暗碼的辦法）文章只能為提供參考，不一定能成為您想要的結果。以下是MySQL修正root賬號暗碼的辦法正文
MySQL數據庫中若何修正root用戶的暗碼呢？上面總結了修正root用戶暗碼的一些辦法
1： 應用set password語句修正
mysql> select user();
+----------------+
| user() |
+----------------+
| root@localhost |
+----------------+
1 row in set (0.08 sec)
mysql> set password=password('123456');
Query OK, 0 rows affected (0.00 sec)
mysql> flush privileges;
Query OK, 0 rows affected (0.00 sec)
mysql> exit
2: 更新mysql數據庫的user表
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
mysql> update user set password=PASSWORD('QwE123') where user='root';
Query OK, 4 rows affected (0.03 sec)
Rows matched: 4 Changed: 4 Warnings: 0
mysql> flush privileges;
Query OK, 0 rows affected (0.00 sec)
mysql> quit
3：應用mysqladmin敕令修正
敕令普通為 mysqladmin -u root -p'oldpassword' password newpass 以下所示：
[root@DB-Server ~]# mysqladmin -u root -p'123456' password 'Qwe123' Warning: Using a password on the command line interface can be insecure.
驗證root暗碼修正能否勝利
[root@DB-Server ~]# mysqladmin -u root -p'123456' password 'Qwe123' Warning: Using a password on the command line interface can be insecure.
下面都是在曉得root暗碼的情形下修正root暗碼，假如忘卻了root暗碼，若何修正root的暗碼呢？
1：起首停失落MySQL辦事
[root@DB-Server ~]# service mysql stop Shutting down MySQL..[ OK ] [root@DB-Server ~]#
或
[root@DB-Server ~]# /etc/rc.d/init.d/mysql stop Shutting down MySQL..[ OK ]
2：然後應用mysqld_safe敕令啟動mysql，更新root賬號的暗碼
--skip-grant-tables：不啟動grant-tables(受權表),跳過權限掌握。
--skip-networking ：跳過TCP/IP協定，只在本機拜訪(這個選項不是必需的。可以不消)是可以不消
[root@DB-Server ~]# mysqld_safe --user=mysql --skip-grant-tables --skip-networking &
[1] 5145
You have new mail in /var/spool/mail/root
[root@DB-Server ~]# 150709 14:10:53 mysqld_safe Logging to '/var/lib/mysql/DB-Server.localdomain.err'.
150709 14:10:53 mysqld_safe Starting mysqld daemon with databases from /var/lib/mysql
[root@DB-Server ~]# mysql -u root mysql
Reading table information for completion of table and column names
You can turn off this feature to get a quicker startup with -A
Welcome to the MySQL monitor. Commands end with ; or \g.
Your MySQL connection id is 1
Server version: 5.6.20-enterprise-commercial-advanced MySQL Enterprise Server - Advanced Edition (Commercial)
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("Qwe123") WHERE user='root';
Query OK, 4 rows affected (0.01 sec)
Rows matched: 4 Changed: 4 Warnings: 0
mysql> flush privileges;
Query OK, 0 rows affected (0.00 sec)
mysql> exit
Bye
3：從新啟動MySQL辦事。
以上所述就是本文的全體內容了，願望年夜家可以或許愛好
