Applications that use ADO can make use of the default version of ADO on the target Windows system. MDAC ships with the Windows operating system. It provides access to a variety of database systems and data structures through the OLE DB data provider. Microsoft OLE DB is a set of COM interfaces that expose data from a variety of data sources including a bridge to ODBC to enable continued support for the broad range of ODBC database drivers.ĪDO is an interface to OLE DB. Microsoft Data Access Components (MDAC) include three technologies for accessing data: ActiveX Data Objects (ADO), OLE DB, and Open Database Connectivity (ODBC). Download XlsToSql Free Trial » MDAC explained (ADO version 2.5, 2.6, 2.7, and 2.8)
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