I can't seem to use an alias in an update statement like so:UPDATE Advertisers a SET a.AdvertiserName=atemp.AdvertiserName, a.AdvertiserDesc=atemp.AdvertiserDesc FROM #tempAdvertisers atemp WHERE a.AdvertiserID=atemp.AdvertiserID
if I try to do the following I get an 'Ambiguous column' errorUPDATE Advertisers SET AdvertiserName=atemp.AdvertiserName, AdvertiserDesc=atemp.AdvertiserDesc FROM #tempAdvertisers atemp WHERE AdvertiserID=atemp.AdvertiserID
any help would be much appreciated.