MYSQL grant 与 修改用户密码

 MYSQL 创建用户，并授权，修改密码。

创建用户并将所有权限，授权给LAW

create user law@localhost；

 grant all privileges on *.* to law@localhost identified by "";   ----OK

创建本地用户空密码，并授予相关选择，更新等权限，且只能作用于mysql数据库。

create user david@localhost;

grant select,update,insert on mysql.* to david@localhost identified by "";

更改LAW的密码

mysql> set password for law@localhost = "123.law";

ERROR 1372 (HY000): Password hash should be a 41-digit hexadecimal number

  当直接输入123.law密码时会提示一个错误，这里你需要将密码转换为16进制。

命令为：

select password("123.law");

mysql> select password(‘123.law‘);

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

| password(‘123.law‘)                       |

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

| *2FFDFCDC4937DB95AC813D3962BECF39B3D78BE3 |

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

1 row in set (0.00 sec)

   得到一串16进制密码后，再次执行命令：

******************************************************************************************** 

*   set password for law@localhost = "*2FFDFCDC4937DB95AC813D3962BECF39B3D78BE3";         *

*******************************************************************************************

以下为在执行phpmyadmin 时官方MYSQL执行命令：

REVOKE ALL PRIVILEGES ON * . * FROM ‘lisa‘@‘%‘;

REVOKE GRANT OPTION ON * . * FROM ‘lisa‘@‘%‘;

GRANT SELECT , 

INSERT ,

UPDATE ,

DELETE ON * . * TO ‘lisa‘@‘%‘ WITH MAX_QUERIES_PER_HOUR 0 MAX_CONNECTIONS_PER_HOUR 0 MAX_UPDATES_PER_HOUR 0 MAX_USER_CONNECTIONS 0 ;

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