建立用戶，授權數據庫：
mysql> create user 'byrd'@'localhost' identified by 'admin123'; #建立主機為localhost，密碼為admin123的用戶byrd
Query OK, 0 rows affected (0.05 sec)
mysql> show grants for 'byrd'@'localhost'; #查看byrd權限，USAGE表示連接權限
+-------------------------------------------------------------------------------------------------------------+
| Grants for byrd@localhost |
+-------------------------------------------------------------------------------------------------------------+
| GRANT USAGE ON *.* TO 'byrd'@'localhost' IDENTIFIED BY PASSWORD '*01A6717B58FF5C7EAFFF6CB7C96F7428EA65FE4C' |
+-------------------------------------------------------------------------------------------------------------+
1 row in set (0.00 sec)
mysql> select user,host from mysql.user;
+------+-----------+
| user | host |
+------+-----------+
| root | 127.0.0.1 |
| root | ::1 |
| root | lamp |
| byrd | localhost |
| root | localhost |
+------+-----------+
5 rows in set (0.00 sec)
mysql> grant all on gbk.* to 'byrd'@'localhost'; #用戶byrd、主機localhost對數據庫gbk擁有所有權限
Query OK, 0 rows affected (0.01 sec)
mysql> show mysqls for 'byrd'@'localhost';
+-------------------------------------------------------------------------------------------------------------+
| Grants for byrd@localhost |
+-------------------------------------------------------------------------------------------------------------+
| GRANT USAGE ON *.* TO 'byrd'@'localhost' IDENTIFIED BY PASSWORD '*01A6717B58FF5C7EAFFF6CB7C96F7428EA65FE4C' |
| GRANT ALL PRIVILEGES ON `gbk`.* TO 'byrd'@'localhost' |
+-------------------------------------------------------------------------------------------------------------+
2 rows in set (0.00 sec)
mysql> flush privileges;
mysql> grant all on gbk.* to test@'localhost' identified by 'admin123'; #建立用戶test，用戶gbk數據庫所有權限，同上
mysql> show grants for 'test'@'localhost';
+-------------------------------------------------------------------------------------------------------------+
| Grants for test@localhost |
+-------------------------------------------------------------------------------------------------------------+
| GRANT USAGE ON *.* TO 'test'@'localhost' IDENTIFIED BY PASSWORD '*01A6717B58FF5C7EAFFF6CB7C96F7428EA65FE4C' |
| GRANT ALL PRIVILEGES ON `gbk`.* TO 'test'@'localhost' |
+-------------------------------------------------------------------------------------------------------------+
2 rows in set (0.00 sec)
Query OK, 0 rows affected (0.00 sec)
遠程連接同上：
mysql> grant all on gbk.* to 'user'@'授權可連接主機' identified by 'admin123'; #這是Server端
[root@lamp ~]# /usr/local/mysql/bin/mysql -uroot -p'admin123' -h hk.t4x.org #這是client端
補充：ALL PRIVILEGES權限包括：
mysql> show grants for 'byrd'@'localhost';
+-------------------------------------------------------------------------------------------------------------+
| Grants for byrd@localhost |
+-------------------------------------------------------------------------------------------------------------+
| GRANT USAGE ON *.* TO 'byrd'@'localhost' IDENTIFIED BY PASSWORD '*01A6717B58FF5C7EAFFF6CB7C96F7428EA65FE4C' |
| GRANT ALL PRIVILEGES ON `gbk`.* TO 'byrd'@'localhost' |
+-------------------------------------------------------------------------------------------------------------+
mysql> revoke insert on `gbk`.* from 'byrd'@'localhost';
Query OK, 0 rows affected (0.00 sec)
mysql> show grants for byrd@'localhost';
+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Grants for byrd@localhost |
+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| GRANT USAGE ON *.* TO 'byrd'@'localhost' IDENTIFIED BY PASSWORD '*01A6717B58FF5C7EAFFF6CB7C96F7428EA65FE4C' |
| GRANT SELECT, UPDATE, DELETE, CREATE, DROP, REFERENCES, INDEX, ALTER, CREATE TEMPORARY TABLES, LOCK TABLES, EXECUTE, CREATE VIEW, SHOW VIEW, CREATE ROUTINE, ALTER ROUTINE, EVENT, TRIGGER ON `gbk`.* TO 'byrd'@'localhost' |
+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
ALL PRIVILEGES權限包括：GRANT SELECT, UPDATE, DELETE, CREATE, DROP, REFERENCES, INDEX, ALTER, CREATE TEMPORARY TABLES, LOCK TABLES, EXECUTE, CREATE VIEW, SHOW VIEW, CREATE ROUTINE, ALTER ROUTINE, EVENT,insert
