how to write updated data

[nagasea]

$add_sql = "UPDATE guestbook (tot_star,tot_comment) VALUES ('$tot_star','$tot_comment') WHERE book_id=$book_id";

mysql_query($add_sql);

I tried with that, how to write it to the database

[jordan]

The fastest way to get an answer to this question, Naga, would be to go look at the MySQL manual and read the section called "UPDATE Syntax." http://www.mysql.com/