##NameError: uninitialized constant ActiveRecord # At line 4

require 'rubygems'
gem 'activerecord'

ActiveRecord::Base.establish_connection(
    :adapter  => "mysql",
    :host     => "localhost",
    :username => "root",
    :password => "",
    :database => "test1"
)


class User < ActiveRecord::Base; end
users = User.find(:all)