Thanks for the info! "A long time" is very relative. I sometimes meet coders who have been coding for 3 years and call it a long time. But for me, "a long time

Thanks for the info! "A long time" is very relative. I sometimes meet coders who have been coding for 3 years and call it a long time. But for me, "a long time" means 20+ years. So I am still curious :) The "NULLs" and "UNDEFINEDs" went away after I set my user name.