1. Microsoft Data Access Components MDAC Microsoft's umbrella term for their ActiveX Data Objects ADO, OLE DB, and Open Database Connectivity ODBC libraries. Together, these provide access to a variety of data sources, both relational SQL and nonrelational. MDAC is the technology that supports Universal Data Access, Microsoft's strategy for providing access to information across the enterprise. http://msdn.microsoft.com/library/en-us/mdacsdk/htm/mdacstar
