OLE DB connection string, ODBC connection string, or ODBC data source name (DSN) for the source relational database.
This property’s name, which is used in the connection string, is SOURCE_DSN.
This property is used only when creating a local cube file.
You must use this property if you also use the DBPROP_MSMD_CREATE_CUBE property and the DBPROP_MSMD_INSERT_INTO property. When these three properties are used, they are always used together.
This property’s value is used when a session is established, but the value cannot be changed during the session.