The new Change Tracking API provides the ability to configure, enable, and disable change tracking on a table, and to access the change tracking data for the table. Exposes the Change Tracking feature as an application programming interface (API), namely,.Support for the Transact-SQL Editor in Visual Studio 2010 that can be used to run free-text T-SQL queries and to view query show-plans for optimizing queries.SQL Server Compact 3.5 SP2 includes a host of new features including the following: