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

As amphetamine and Yada suggested, check with a SELECT, if your phone number is in the table.

But keep in mind: If the value for called of the row in question is already "Yes", mysql won't change the value and will therefore return "0 rows affected". So be sure to also check the current value of called