Thanks very much Lawrence.

I am using sql 2005 and I find in this address a possible solution.....

http://weblogs.asp.net/jgalloway/archive/2008/01/27/adding-simple-trigger-based-auditing-to-your-sql-server-database.aspx

I'm looking for the most eficcient way to audit the changes on a particular table. Generaly you need to know which table, row and column where changed. I mean the...