建立新使用者

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

賦予操作許可權：

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

刪除使用者：

DROP USER ‘username’@‘localhost’;

重新整理許可權：

FLUSH PRIVILEGES;
 

顯示所有使用者：

mysql> SELECT user, host FROM mysql.user;
+------------------+-----------+
| user             | host      |
+------------------+-----------+
| debian-sys-maint | localhost |
| mysql.session    | localhost |
| mysql.sys        | localhost |
| phpmyadmin       | localhost |
| root             | localhost |
+------------------+-----------+
 

顯示一個使用者的許可權：

mysql> SHOW GRANTS FOR 'root'@'localhost';
+---------------------------------------------------------------------+
| Grants for [email protected]                                           |
+---------------------------------------------------------------------+
| GRANT ALL PRIVILEGES ON *.* TO 'root'@'localhost' WITH GRANT OPTION |
| GRANT PROXY ON ''@'' TO 'root'@'localhost' WITH GRANT OPTION        |
+---------------------------------------------------------------------+