Oracle8 oracle_conn;
String result;
	TimeStop v_timer;
	if(oracle_conn.Login("user", "password", "host:port/SID", true)){
		result << "\n connection time: " << v_timer;
		v_timer.Reset();
		Sql sql(oracle_conn);
		sql.Execute("select count(*) from AP_INVOICES_ALL");
		while(sql.Fetch())
			result << "\n total rows: " << sql[0];
		result << ", timer: " << v_timer;
		v_timer.Reset();
		sql.Execute("select INVOICE_ID, INVOICE_DATE from AP_INVOICES_ALL");
		int i = 0;
		while(sql.Fetch()){
			++i;
			result << "\n" << i << ". " << sql[0] << " - " << sql[1];
		}
		result << ", timer: " << v_timer;
		v_timer.Reset();
	}else
		result << "error to connect";