Article = new Model.Base('articles', ['title', 'content']);

Article.create({
  id: 17,
  title: 'A good Article', 
  content: 'This is about lots of stuff...'
})

article = Article.find(17)
// we do not yet know whether the article exists because the sql call is asynchronous

// article is a "promise" that will tell us when it is ready
article.done(function() {
  if (article.id) {
    // Found the article.  article.title == 'A good Article'
  } else {
    // No article with id 17 exists
  }
})

articles = Article.all()
// articles == [] because the sql call is asynchronous

// articles is a "promise" that will tell us when it is filled in
articles.done(function() {
  // Now the articles are there and we can do something
})

Article.delete_all()