Triggers are a long-standing feature of SQL Server, but in SQL Server 2005 Microsoft has redesigned triggers so that their internal details are much different than before. As you learned last month in "The Hidden Costs of Row-Level Versioning," InstantDoc ID 93465, in SQL Server 2005 triggers use a new technology called row-level versioning (RLV). Inside the trigger code, you can still access two pseudo-tables, called inserted and deleted. In SQL Server 2005, the old and new ve...