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 ...

The Java DataStax Driver comes with an object mapper that removes boilerplate of writing queries and lets you focus on your application objects. This example shows how to use mapper to build Data ...

creating a fully functional data-access-object, using best practices, simply by defining your domain-objects; easily extending your generated data-access-objects, because you control the code ...

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 ...

Isolating code that deals with system infrastructure from code that deals with domain rules is a good practice when developing applications. Code that deals with the database, for example, is often ...