ActiveRecord

require 'rubygems'
require_gem 'activerecord'
ActiveRecord::Base.eatablish_connection(
  :adapter=>"sqlite3", :db=>"db/users.db"
)
class Member < ActiveRecord::Base   # "members"
end

Member.create(:name=>"舞波")  
# => "INSERT INTO members(id, name) VALUES(1, '舞波')"

maiha = Member.find(1)        
# => "SELECT * FROM members WHERE id = 1"

maiha[:name] = "まいは"
maiha.save                    
# => "UPDATE members SET name = 'まいは' WHERE id = 1"