The SQL Server 2005 Feature Pack is freely downloadable and contains a set of useful tools for SQL Server 2005: many items are for compatibility issues (DTS/DSO/DMO backward compatibility), but there are data mining viewer controls and JDBC drivers for J2EE developers. An OLE DB provider for DB2 worths another mention.
Returns the depreciation of an asset for a specified period using the fixed-declining balance method.
DB ( <Cost>, <Salvage>, <Life>, <Period> [, <Month>] )