On 20 Set, 10:31, "Martijn Tonies" <m.ton...@upscene.removethis.com>
wrote:
> It's probably just a standard thing PHPMyAdmin does for all table
> updates, even the ones without a PK, to ensure only 1 row gets
> updated.

you mean they use it on ALL such queries even if it's not needed, so
the php code to generate it is much simpler? Well, probably you're
right, thanks