simple_db_conn.rb

require 'rubygems'  
require 'active_record'

ActiveRecord::Base.logger = Logger.new(STDOUT)
ActiveRecord::Base.establish_connection(
  :adapter  => 'mysql',   
  :database => 'jasons_db',   
  :username => 'root',
  :password => 'password',   
  :host     => 'localhost')

class Video < ActiveRecord::Base
  # this assumes a table name videos in the jasons_db database
  # with a primary key, auto incrementing, named id
end

Video.all.each do |video|
  puts "This video's title is #{video.title}!"
end