// retrieve data as a stream
    ResultSet rs = s.executeQuery("SELECT b FROM atable");
    while (rs.next()) {
        // use a java.io.Reader to get the data
        java.io.Reader ip = rs.getCharacterStream(1);

        // process the stream--this is just a generic way to
        // print the data
        char[] buff = new char[128];
        int size;
        while ((size = ip.read(buff)) != -1) {
            String chunk = new String(buff, 0, size);
            System.out.print(chunk);
        }
    }
    rs.close();
    s.close();
    conn.commit();