I believe this is implemented application-side for SQL Server by the Microsoft Distributed Transaction Coordinator, which allows enlisting in existing transacti

I believe this is implemented application-side for SQL Server by the Microsoft Distributed Transaction Coordinator, which allows enlisting in existing transactions. Some explanation of how it works: http://stackoverflow.com/questions/494550/how-does-transactionscope-roll-back-transactions http://stackoverflow.com/questions/494550/how-does-transacti... Usage to 'forget' automated test database changes: http://amnesia.codeplex.com http://amnesia.codeplex.com