Better Entities with Nullable Types
May 4, 2007[From Developer.com]
There is an impedance mismatch between objects and normalized relational databases. Everyone knows this. Almost everyone has tried to fix itthink object-oriented databasesand some people have gotten famous off of proposed solutions. (Deservedly so or not.) Well, truth be told Microsoft is working on an ADO.NET Entity Framework to address this issue. The issue phrased using my words is getting data from databases into objects makes for better programming but is time consuming, tedious, and not altogether convenient. From what I know of LINQ, LINQ for Data, and the Entity Framework, they may really be on to something.
The article continues at http://www.developer.com/db/article.php/3673991