新手轻喷。小弟在看head first 的 php & mysql，第二章用命令行创建数据库：
tony@tony-laptop-ubuntu$ ~ mysqlwelcome to the mysql monitor. commands end with ; or \g.your mysql connection id is 41server version: 5.5.29-0ubuntu0.12.04.1 (ubuntu)copyright (c) 2000, 2012, oracle and/or its affiliates. all rights reserved.oracle is a registered trademark of oracle corporation and/or itsaffiliates. other names may be trademarks of their respectiveowners.type 'help;' or '\h' for help. type '\c' to clear the current input statement.mysql> create database aliendatabase;error 1044 (42000): access denied for user ''@'localhost' to database 'aliendatabase'

求大神解释加解决方案～小弟拜谢！
回复内容： 新手轻喷。小弟在看head first 的 php & mysql，第二章用命令行创建数据库：
tony@tony-laptop-ubuntu$ ~ mysqlwelcome to the mysql monitor. commands end with ; or \g.your mysql connection id is 41server version: 5.5.29-0ubuntu0.12.04.1 (ubuntu)copyright (c) 2000, 2012, oracle and/or its affiliates. all rights reserved.oracle is a registered trademark of oracle corporation and/or itsaffiliates. other names may be trademarks of their respectiveowners.type 'help;' or '\h' for help. type '\c' to clear the current input statement.mysql> create database aliendatabase;error 1044 (42000): access denied for user ''@'localhost' to database 'aliendatabase'

求大神解释加解决方案～小弟拜谢！
没权限，用root登录：
mysql -uroot
如果root有密码：
mysql -uroot -p