Forrester Research has named Microsoft a leader in The Forrester Wave: Enterprise Database Management Systems, Q2 2009. (June 2009). Forrester writes that Microsoft is “The most aggressive DBMS vendor with a strong road map.” In this Wave, Forrester categorizes Leaders as offering “broad set of functionality to support any critical transactional application.” SQL Server 2008 has “enabled Microsoft to take market share in moderately sized to large enterprises, delivering good performance, scalability, security, and availability functionality.”

More info: Forrester Research report