As you know data compression facility is added onto the SQL Server 2008 version, though this is not a new feature and I would call it as an enhanced feature in SQL Server. This subject of data compression has already been introduced in SQL Server 2005...
SQLServer-QA.net - Knowledge Sharing Network (SSQA.net)
Mon, Dec 3 2007
Filed under: Filed under: sql server, performance, microsoft, blogs, security, 2008, ctp, data capture, 2005, compress, data compression