I would certainly agree with Marek. I recently changed a query from using 20 or so 'OR' conditions to use the 'IN' statement and it drastically improved the performance of the query. Graham > -----Original Message----- > From: Marek Kilimajer [mailto:lists@xxxxxxxxxxxxx] > Sent: 25 October 2004 11:37 > To: Ian Firla > Cc: Steve McGill; php-general@xxxxxxxxxxxxx > Subject: Re: Most efficient way of fetching 1,000 records from > MySQL ? > > > Ian Firla wrote: > > I think you'll find that your first approach is not only more correct, > > it's the only manageable one. > > No, it will be very slow. The biggest overhead is in transfering data to > and from sql server. It's always better to get the results in one > sql query. > > Use this aproach: > > $users = > sql('select * from users where userID IN ('. implode(', ',$users) .')'); > > > [snip] -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php