MySQL 创建用户及权限的操作命令

MySQL创建新用户

CREATE USER 'newuser'@'localhost' IDENTIFIED BY 'password';

赋予操作权限：

GRANT ALL PRIVILEGES ON database_name.table_name TO ‘username’@'localhost’;

GRANT ALL PRIVILEGES ON database_name.* TO ‘username’@'localhost’;

删除用户：

DROP USER ‘username’@‘localhost’;

刷新权限：

FLUSH PRIVILEGES;

显示所有用户：

mysql> SELECT user, host FROM mysql.user;

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

| user            | host      |

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

| debian-sys-maint | localhost |

| mysql.session    | localhost |

| mysql.sys        | localhost |

| phpmyadmin      | localhost |

| root            | localhost |

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

显示一个用户的权限：

mysql> SHOW GRANTS FOR 'root'@'localhost';

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

| Grants for root@localhost                                          |

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

| GRANT ALL PRIVILEGES ON *.* TO 'root'@'localhost' WITH GRANT OPTION |

| GRANT PROXY ON ''@'' TO 'root'@'localhost' WITH GRANT OPTION        |

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

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