Re: Finding the highest number in a column?
| From: | Robby Russell | Date: | Thu, 28 Oct 2004 03:46:33 +0000 |
| Subject: | Re: Finding the highest number in a column? | ||
| References: | 1 | Groups: | php.db |
| Request: | Send a blank email to php-db+get-37058@lists.php.net to get a copy of this message | ||
On Wed, 2004-10-27 at 23:33 -0400, Chris Payne wrote:
> Hi there everyone,
>
>
>
> I am working with a very complex system where not all numbers are assigned
> 1, 2, 3 …… etc …… so there could be a row with the number 1 and then the
> next row could be 40 and so on ……
>
>
>
> Is there a way with PHP and MySQL to find out what the highest number is in
> a particular column easily when the numbers are auto-incremented so aren’t
> necessarily one after the other?
SELECT * FROM table ORDER BY colname DESC LIMIT 1;
?
assuming all your column values are unique...
-Robby
--
/***************************************
* Robby Russell | Owner.Developer.Geek
* PLANET ARGON | www.planetargon.com
* Portland, OR | robby@planetargon.com
* 503.351.4730 | blog.planetargon.com
* PHP/PostgreSQL Hosting & Development
* --- Now supporting PHP5 and PHP4 ---
****************************************/
Attachment: [application/pgp-signature] This is a digitally signed message part signature.asc
Attachment: [application/pgp-signature] This is a digitally signed message part signature.asc