相关疑难解决方法(0)

我在SQL Azure上创建一个新的读/写用户,如下所示:

-- Connected to master
create login [fred] with password = 'xxx';

-- Connected to my DB
create user [fred] from login fred;
EXEC sp_addrolemember 'db_datareader', 'fred';
EXEC sp_addrolemember 'db_datawriter', 'fred';

当我使用SSMS登录时,我收到错误消息 Cannot open database "master" requested by the login. The login failed.

我做错了什么或错过了什么？