只使用开发mysql db，而不是在rails中测试或生产

I've created a new rails app (3.1.1) using MySQL. In database.yml, I've put in the login credentials for a remote MySQL server in development, while the test & production databases are set up with localhost. It appears that creating a scaffold and rake db:migrate goes into the test db?I've created a new rails app (3.1.1) using MySQ