mysql修改root密碼

網上直接的update user set password=password("new password") where user='name'; 基本就是坑跌

使用本文方法修改成功!

方法一:

(適用於管理員或者有全域性許可權的使用者重設其它使用者的密碼)

進入命令列模式

mysql -u root mysql

mysql> update user set password=password("new password") where user='name';

mysql> flush privileges;

mysql> quit

方法二:

(應用同上,只是方法不同)

mysql -u root mysql

mysql> set password for name=password('new password');

mysql> quit

(以上兩種方法我不常用,如果是管理員,我會用其它如phpmyadmin或者mysql-front 等工具來管理使用者許可權,比較直觀又方便)

最後必殺技:

mysqladmin -u root "old password" "new password"

解:以上有name的,請用你的使用者名稱來替代.有new password請輸入你想要設定的密碼.

提示錯誤：no database selected後如何修改

c:\mysql\bin>mysql

-uroot

welcome to the mysql monitor.  commands end with ; or \g.

your mysql connection id is 4 to server version: 4.0.15-nt

type 'help;' or '\h' for help. type '\c' to clear the buffer.

mysql> update user set password=password('root') where user='root';

error 1046: no database selected

mysql> use mysql

database changed

mysql> select host,user from user;

+-----------+------+

| host    | user |

+-----------+------+

| %       |    |

| %       | root |

| localhost |    |

| localhost | root |

+-----------+------+

4 rows in set (0.02 sec)

mysql> update user set password=password('root') 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 (0.02 sec)

mysql> quit

byec:\mysql\bin>mysql  -uroot

error 1045: access denied for user: 'root@localhost' (using password: no)

c:\mysql\bin>mysql  -uroot -proot

welcome to the mysql monitor.  commands end with ; or \g.

your mysql connection id is 6 to server version: 4.0.15-nt

type 'help;' or '\h' for help. type '\c' to clear the buffer.

mysql> quit

bye

mysql修改root密碼

MySQL修改root密碼

mysql修改root密碼

mysql修改root密碼

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