public boolean rowExist(String sql) {
        boolean status = false;
        TRS  RS     = null;

        try {
            if (!connected) {
                throw new Exception("DB is DOWN");
            }

            RS = execSQL_SV(sql);

            if (RS.rs.next()) {
                status = true;
            }
        } catch (SQLException e) {
            if(LoggerNB.debuging){System.out.println("Error16: " + e);}
        } catch (Exception e) {
            if(LoggerNB.debuging){System.out.println("Error17: " + e);}
        } finally {
            if (RS != null) {
                RS.close();
            }
        }

        return status;
    }