Not new, but improved. 11g included OLTP (online transaction processing) table compression, as well as the ability to compress the unstructured or file data stored within the database. IBM has put an emphasis on compression capabilities in its DB2 product as well, and Microsoft's SQL Server 2008 is expected to bring several compression features, such as backup compression, to its customers. Netezza, which specializes in analytic appliances, announced that it will add what it calls its "Compress Engine" to its data warehousing appliance this year.