Rails views are formed by a system of template that instantly unites a web page from a layout providing the general makeup for the page.
Rails template system lets you combine HTML and Ruby code, and has a set of helpers to make simpler the initiation of HTML and JavaScript codes. RJS templates permit you to write the Ruby code that its framework converts to JavaScript for implementation in the browser.
Rails has support for caching pages or parts of it to boost performance.
Rails migrations allow you to identify your database plan with Ruby code and to move around from one version to another.