rrguntaka

try {
    Class.forName(driver);
    Connection con = DriverManager.getConnection(url + db, user, pass);
    Statement stmt = con.createStatement();
    ResultSet rs = stmt.executeQuery(query);
    ResultSetMetaData rsmd = rs.getMetaData();
    List<String> columns = new ArrayList<String>(rsmd.getColumnCount());
    for(int i = 1; i <= rsmd.getColumnCount(); i++){
        columns.add(rsmd.getColumnName(i));
    }