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In my last article, I decided to give NHibernate a try to try and get my mind around what an ORM brings to the table. I took a few hours and managed to get a simple example working, and was able to read and write data to the AdventureWorks database. My example was simple though, now I would like to try and dig a little deeper into NHibernate.

The first topic that I would like to delve into is relationships. In my last article, I had a Contact business entity, but I was pulling all of the data for this object from a single database table. This is often not the case in the real world, especially in situations where you don't have absolute control over the database schema. I would like to expand my example and add a new class called Employee that is derived from the Contact class. I'll just pick a few fields from the HumanResources.Employee table in AdventureWorks for this class, making my class diagram look like this:



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http://www.jaltiere.com/?p=50




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