Καλό άρθρο :

http://www.devsource.com/article2/0,1895,1791675,00.asp

και καλή τοποθέτηση:

"Integrating the CLR into SQL Server is not a step to eliminating T-SQL. As .NET developers, it may seem like a good idea to do all your database code in managed code, but this is not the case. Think of the CLR integration as just another tool in your toolbox. This is the hammer that, I suspect, will be used to hammer in nails, screws, and 2x4s in projects the next year. It will be overused. Don't let your project be the ones caught guilty of this"