Microsoft Data Access Components MDAC <database> (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/mdacstartpage1.asp). (2004-02-17)
MDAC Microsoft Data Access Components (MS)