3、使用如下命令更改密码：

shell> mysqladmin -u root -p password ‘newpass’

Enter Password:*******

出现Enter Password的提示后输入原来的密码oldpass即可。

读者可以尝试其它所有本章介绍的方法。



4、首先以root用户的身份连接到服务器：

shell> mysql -u root -p

Enter password:*******

出现Enter password提后输入root用户的密码，然后即进入mysql客户机的交互模式，可以看到下面的提示：



Welcome to the MySQL monitor. Commands end with or \g.

Your MySQL connection id is 4 to server version: 3.23.25-beta-log



Type help or \h for help. Type \c to clear the buffer



mysql>

然后发布查询，直接键入题目中的语句：

mysql> SELECT User,Host FROM mysql.user

-3, use the following command to change the password: shell> mysqladmin-u root-p password　newpass Enter Password :******* the Enter Password prompt appears enter the original password after you oldpass. Readers can try all other methods described in this chapter. 4, first of all to root the identity of the user to connect to the server: shell> mysql-u root-p Enter password :******* appear Enter password to enter the root after the user s password, and then entering the mysql client interactive mode , we can see the following prompt: Welcome to the MySQL monitor. Commands end with or g.Your MySQL connection id is 4 to server version: 3.23.25-beta-logType help or h for help. Type c to clear the buffermysql> and then release inquiries, directly type the subject of statement: mysql> SELECT User, Host FROM mysql.user