我正在关注Linda的基础教程.我现在能够正确安装所有东西,但是当我启动Rails服务器时,我在访问时收到此消息localhost:3000:
Unknown database 'simple_cms_development'
然后
Rendered /Library/Ruby/Gems/1.8/gems/actionpack-3.0.7/lib/action_dispatch/middleware/templates/rescues/_trace.erb (1.0ms)
Rendered /Library/Ruby/Gems/1.8/gems/actionpack-3.0.7/lib/action_dispatch/middleware/templates/rescues/_request_and_response.erb (23.5ms)
Rendered /Library/Ruby/Gems/1.8/gems/actionpack-3.0.7/lib/action_dispatch/middleware/templates/rescues/diagnostics.erb within rescues/layout (29.8ms)