static String buildInsertSql(String table, String[] fields) {
    StringBuilder stringBuilder = new StringBuilder();
//    stringBuilder.append("INSERT INTO " + table + " (" + fields[0] + ", " + fields[1] + ", " + fields[2] + ") VALUES (?, ?, ?)");

    stringBuilder.append("INSERT INTO " + table + " (");
    for (int i = 0; i < fields.length; i++) {
        stringBuilder.append(fields[i]);
        if (i < fields.length - 1) {
            stringBuilder.append(", ");
        }
    }
    stringBuilder.append(") VALUES (?, ?, ?)");
    return stringBuilder.toString();
}