4:35 PM
Unknown
I bet you must have heard about Unit Of Work. If you have not, you can find the discription here : http://martinfowler.com/eaaCatalog/unitOfWork.html.
You can change the database with each change to your object model, but this can lead to lots of very small database calls, which ends up being very slow. Furthermore it requires you to have a transaction open for the whole interaction,...