Use SQL_OV_ODBC3_80 because otherwise the driver claims to not support async notification.
Use SQL_OV_ODBC3_80 because otherwise the driver claims to not support async notification.

nanodbc/nanodbc,norsync/nanodbc,ChrisBFX/nanodbc,nanodbc/nanodbc,ChrisBFX/nanodbc,mcg1969/nanodbc,norsync/nanodbc,mcg1969/nanodbc