* [EMAIL PROTECTED] > In Re: Selecting records with the highest value no greater than > x, <[EMAIL PROTECTED]> wrote: > > > >IMO, there is one, if I did understand the question correctly: > > > >SELECT * FROM NEWS WHERE RATING <= 4 ORDER BY RATING DESC, > > RAND() LIMIT 1; > > > >This give back a random news entry of the highest score available, but > >smaller than 5. > > > It just gives back a random news story, as it is logically identical to > > SELECT * FROM NEWS WHERE RATING <= 4 ORDER BY RAND() LIMIT 1;
No, it's not. The former will sort on the rating first, and then do a random sort within each rating group. > You would need a 'non-uniform' random function for your version to work. I don't understand why you say this. Benjamin's ORDER BY clause will select a random row among those having the highest rating lower or equal to four, just as one would expect from the statement. -- Roger query --------------------------------------------------------------------- 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
