Retrieving data. As we discussed earlier, you always write JDBC code to retrieve data when using DAO and EntityManager API provides two ways to retrieve data: Find by primary key. You can use the Find ...

ADO.NET, for example, won't give you objects (or, at best, will only give you a pseudo object like a DataTable). EF will, when joining tables, do clever things when creating objects when working with ...

And, as long as I'm here, class modules are for creating your own programatic (code-only, no UI) objects -- the ADO data access objects are an example of that kind of object.