mySQL UPDATE query returns “0 rows affected”

Question

I have this query:

UPDATE phonecalls 
   SET Called = \"Yes\" 
 WHERE PhoneNumber = \"999 29-4655\"

My table is phonecalls, I

Answer 1

Try select count(*) from phonecalls where PhoneNumber = "999 29-4655"; That will give you the number of matching rows. If the result is 0, then there isn't a row in the database that matches.-