Using ActiveRecord without Rails

gistfile1.rb

require 'rubygems'
require 'active_record'

dbconfig = YAML::load(File.open('database.yml'))
ActiveRecord::Base.establish_connection(dbconfig)
ActiveRecord::Base.logger = Logger.new(File.open('database.log', 'a'))

class Employee < ActiveRecord::Base
end

emp = Employee.find(1)
p emp.name