title: Rails / MySQL2: Error - Unknown database
body: <p>I'm following a basic tutorial in Linda.
  I have been able to install everything properly now, but when I start my Rails server I get this message when I visit <code>localhost:3000</code>:</p>
  
  <pre><code>Unknown database 'simple_cms_development'
  </code></pre>
  
  <p>and then</p>
  
  <pre><code>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)
  </code></pre>