transactions and db joins are easy with activerecord/rails, you do not have to know sql to get it to work. background tasks are easy, you can use activerecord

transactions and db joins are easy with activerecord/rails, you do not have to know sql to get it to work. background tasks are easy, you can use activerecord outside of rails in your data warehouse scripts. image upload with thumbnails is trivial with attachment_fu plugin for rails.