I'm relatively new to MySQL but "think" I am getting a grip on it.

However, I am seeing some strange behavior when I perform an update
command (through PHP).  This following query not only results in the
sessionLastTime column updated but also another column sessionStartTime
(key, auto_increment).

$dateNow=date("YmdHis");
...
$query = "update sessions set sessionLastTime=".$dateNow." where
sessionPHPSessID='".$PHPSESSID."' limit 1";
mysql_query($query) or die(mysql_error());

Any idea why this would happen?

Pertinent system info
Mac OS X (10.1.3) on Dual 1 GHz G4 w 1.5 GB RAM
Apache 1.3.20
PHP 4.1.2
MySQL 3.23.39

Stuart Chalk, Ph.D.
Department of Natural Sciences                          Phone:904-620-2831
University of North Florida                               Fax:904-620-3885
4567 St. Johns Bluff Road S.                  "The Flow Analysis Database"
Jacksonville FL 32224 USA                          http://www.fia.unf.edu/


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