A simple of OOP in ruby

oop.rb

# A class who provide access to database
class Record
  attr_accessor :title
  # Create and return the record
  def self.create(title)
    record = Record.new
    record.title = title
    record.save
    record
  end

  # save the record into the database
  def save
    puts "INSERT INTO question (title) VALUES ('#{@title}')"
  end

  # destroy record form database
  def destroy
    puts "DELETE FROM question WHERE title = '#{@title}'"
  end
end

# A record with a title
class Question < Record
end

my_question = Question.create 'How are you?'
# => "INSERT INTO question ..."
my_question.destroy
# => "DELETE FROM question ..."