project.rb

require 'rubygems'
require 'sequel'
require 'sequel/extensions/pagination'

DB.create_table :projects do 
   primary_key :id
   String :name
   String :description, :text => true
   DateTime :created_at
   DateTime :updated_at
end

class Project < Sequel::Model
  plugin :timestamps # auto set created_at & updated_at
end

projects = Project

recent_projects = Project.filter(:updated_at > (Time.now - 10.days)) 

first_page = recent_projects.paginate(1, 20)
second_page = recent_projects.paginate(2, 20)