An introduction and overview to object/relational mapping using Fluent NHibernate. See how Fluent NHibernate can help you map your domain with the least amount of effort, how you can remain flexible with your database, and how to drive your design through convention–over–configuration; all without writing a single line of XML.
Watch this streaming video from the Norwegian Developer Conference 2010

The NoSQL movement is gaining momentum (to many people’s annoyance) and gaining many fans. For developers who haven’t used a NoSQL solution (Object Database, Document Database, etc) it’s a bit awkward to conceive of how you might do common tasks – like querying or generating application reports. In this talk Rob Conery shows how you can build an effective data access strategy using both NoSQL and traditional Relational Databases, focusing on using each system for its strengths rather than compensating for its weaknesses.
Watch this streaming video from the Norwegian Developer …

Ted Neward and Danny Simmons of the ADO.NET team discuss the Entity Framework, ORMs and OSLO

ADO.NET Entity Framework is an object-relational mapping (ORM) framework for Microsoft .NET. In this video, Todd Miranda explores how to use the Entity Framework to access and manipulate data from a database.
http://msdn.microsoft.com/en-gb/vcsharp/dd565857.aspx

Eric Nelson explains what are ORM, EDM, and ESQL, what is the difference between LINQ to SQL and LINQ to Entities, which one is going to be further developed by Microsoft in the future, accompanied by hands on demos showing how to use them.
http://www.infoq.com/presentations/ORM-LINQ-Entity-Framework-Eric-Nelson