with ruby on rails, it’s so easy to build stuff fast; heck it’s the nature of being Agile.

script/generate controller [name] [model]
p. …create a controller

script/generate model [name]
p. …create data model

script/generate scaffold [model] [controller]
p. … create ruby scaffold /add/edit/view/list/ using a specific model

script/generate migration add_stuff
p. …create new migration script

rake db:migrate
p. …apply any pending migrations to your database