2.2.8.3 OLE DB Connections
An OLE DB connection is a connection to an OLE DB data provider. An external connection is an OLE DB connection if the dbt field of the DbQuery record (section 2.4.80) is 0x5, the dbt field of the DBQueryExt record (section 2.4.81) is DBT_OLEDB (section 2.5.64), and the dbt field of the DConn record (section 2.4.84) is DBT_OLEDB (section 2.5.64). For more information about OLE DB, see [MSDN-OLEDBP-OI].