php explained in sql

[John Taylor-Johnston <John.Taylor-Johnston@xxxxxxxxxxxxxxxxxxxxx>]

In php, if I wanted to know if $mydata->email contained something, I 
would do this, right?
if ($mydata->email)
{}

How would I express this in SQL (MySQL)?

Thanks. Sorry to be off-topic, if I am,
John

--
PHP General Mailing List (http://www.php.net/)
To unsubscribe, visit: http://www.php.net/unsub.php