How do you build extensible data model

Question

I\'m thinking of building a ecommerce application with an extensible data model using NHibernate and Fluent NHibernate. By having an extensible data model, I have the abilit

Answer 1

Another option is to use Non-relationnal Databases which are typically suited for this kind of things.

NOSQL databases(couchDB, mongoDB, cassandre...) let you define dynamically your propretyfields, you could add fields to your product class whenever you want.