import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;

public class SimpleServlet extends HttpServlet {
  private String query; 

  public void doGet(HttpServletRequest request,  
                    HttpServletResponse response) 
                    throws ServletException, IOException {
    //Connection conn =      DriverManager.getConnection("jdbc:odbc ... "); 
    query = "INSERT INTO roles" + "(userId, userRole)" + "VALUES "  + "('"  + 
                            request.getParameter("userId") + "'," +
                            "'standard')"; 
     //Statement stmt = conn.createStatement(); 
     //stmt.executeUpdate(query); 
  }
}