Hi kajol,
All u have to do is to write the JDBD code in ur service method of ur servlet.
The code follows:
private Connection con;Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
con=DriverManager.getConnection("jdbc
dbc:aadsn","scott","tiger");
Statement stmt=con.createStatement();
ResultSet rs= stmt.executeQuery("select * from tablename");
rs.close();
stmt.close();
con.close();
bye
amit