This week's book giveaway is in the OCPJP forum. We're giving away four copies of OCA/OCP Java SE 7 Programmer I & II Study Guide and have Kathy Sierra & Bert Bates on-line! See this thread for details.
To me (may be bcos im not a native english man), the term "Single table for Class" means that there would be a separate single table for each class. But in real, There is only a single table for all classes.
So I think "Single table for Class" should be read as "Single Table for Classes".