MYSQL修改用户密码

第一种方法  
将root的密码改为djg345  
# mysqladmin -uroot -p123123 password djg345  
以下方法需在mysql>提示符下操作  
第二种方法 更改user01密码为user01pwd  
mysql> SET PASSWORD FOR user01=PASSWORD("user01pwd");  


mysql> show grants for test;
+-----------------------------------------------------------------------------------------------------

---------------------------+
| Grants for test@%                                                                                    

                          |
+-----------------------------------------------------------------------------------------------------

---------------------------+
| GRANT ALL PRIVILEGES ON *.* TO 'test'@'%' IDENTIFIED BY PASSWORD 

'*6BB4837EB74329105EE4568DDA7DC67ED2CA2AD9' WITH GRANT OPTION |
+-----------------------------------------------------------------------------------------------------

---------------------------+
1 row in set (0.00 sec)


1.修改test用户密码为147258

[mysql@master ~]$ mysqladmin -u test -p password 147258
Enter password:   --这里输入的是原密码
[mysql@master ~]$ 

[mysql@master ~]$ mysql -utest -p147258


2.第2种方式:
--修改test用户密码为999999
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('999999') WHERE user='test';
Query OK, 2 rows affected (0.00 sec)
Rows matched: 2  Changed: 2  Warnings: 0

mysql> flush privileges;
Query OK, 0 rows affected (0.00 sec)

mysql>