Rutledge, Wednesday, March 06, 2002, 10:01:56 PM, you wrote: Reoen> In my application I would like to update a MySQL record where one Reoen> column Reoen> is the largest value. Do I have to create a separate SELECT sql query Reoen> statement Reoen> to get that value and then update it? Or, is there a function that Reoen> allows me to specify it as part of my WHERE clause. I scanned the Reoen> manual and found reference to MAX, which appears to do it and can't get Reoen> it working. Reoen> The syntax I've tried... Reoen> UPDATE PICKING SET COL_1 =3D 'My_VAL' WHERE COL_2=3D'My_VAL2' AND Reoen> MAX(AUDIT); ^^^^^^^^^^^^^^^^^
It means that selection maximum value from table will be before update. This can be re-written as: SELECT @a:=MAX(audit) FROM picking; UPDATE picking SET col_1= .... WHERE audit=@a; -- For technical support contracts, goto https://order.mysql.com/ This email is sponsored by Ensita.net http://www.ensita.net/ __ ___ ___ ____ __ / |/ /_ __/ __/ __ \/ / Victoria Reznichenko / /|_/ / // /\ \/ /_/ / /__ [EMAIL PROTECTED] /_/ /_/\_, /___/\___\_\___/ MySQL AB / Ensita.net <___/ www.mysql.com --------------------------------------------------------------------- Before posting, please check: http://www.mysql.com/manual.php (the manual) http://lists.mysql.com/ (the list archive) To request this thread, e-mail <[EMAIL PROTECTED]> To unsubscribe, e-mail <[EMAIL PROTECTED]> Trouble unsubscribing? Try: http://lists.mysql.com/php/unsubscribe.php
