title: Rails 3: What is the default order of "MyModel.all"?
body: <p>I know that <code>Job.all</code> returns an array of all jobs. </p>
  
  <p>But, what would be the order ?</p>
  
  <p>Are they ordered by ascending <code>id</code> ?</p>
  
  <p>What <code>Job.first</code> returns ? The documentation says: "Returns the first resource found."</p>
  
  <p>But, what is the looking order ?</p>