About how to create a new user and authorize it in MySQL

• Syntax for creating a user:

         Create user  `username`@host  [Identified by [password]  `password`];
Username:用户名
Host：主机名，本地主机可以用localhost或者ip地址，但是其他电脑必须用ip地址登录远程主机用通配符 “%”
Password:用户密码

Example:

         create user  `teacher`@`localhost` identified  by  ‘12345’,   或者
         create user  `teacher`@`localhost  (无密码)

• Execute grant (While granting permissions) Create user

Syntax:

Grant priv_type on database or data table to username@localhost (or IP address) identified by '123';

• Use mysql AdminModify rootAccount password

• ##Syntax:

  Mysqladmin –u root –p password  “123”;
  Enter password:原密码（root）

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• Use the set password to change the ordinary user password (mysql command)

Syntax:

  Set password=password(“000”);                           //修改当前用户密码
 Set password for teacher@localhost=password(“123”);   //修改指定账户密码

• Delete normal user

　Drop  user  `studentr` @localhost;

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