Hi, I have (among others) two DATE columns in a table; Booking_Date and Booking_Completion_Date. How can I run a query that updates Booking_Completion_Date to be 2 days after Booking_Date where Booking_Completion_Date is NULL? Many thanks -- PHP Database Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php