I'm wondering if there's an extention that you can use to check one or more form fields if the data you want to insert in your database allready exist, and if so, not to insert it and if not then insert it?

or mabye someone who can explain it to me?

thx in advance guys...
hope I get some reactions <img src=../images/dmxzone/forum/icon_smile_shy.gif border=0 align=middle>
<img src=../images/dmxzone/forum/icon_smile_shy.gif border=0 align=middle>

got the same problem. If I got you right, you could use the user authentification server behavior. My problem, it only works with an insert statement. However, I wanna use it with an update statement, which does not work, (so far)