ArrayList<String> data2 = new ArrayList<String>();
        String[] columns2 = {"CustomerId", "City", "Email"};
        data2 = query.select(columns, "Customers");
        for (int i = 0; i < data2.size(); i++) {
            jComboBox2.addItem(data2.get(i));
        }

        ArrayList<String> data3 = new ArrayList<String>();
        String[] columns3 = {"Title"};
        data3 = query.select(columns, "Albums");
        for (int i = 0; i < data3.size(); i++) {
            jComboBox3.addItem(data3.get(i));
        }