I was thinking the same thing, Carel-Jan.... Can't believe it's already been a year that he's gone.... -Mark -- Mark J. Bobak Senior Oracle Architect ProQuest Information & Learning There is nothing so useless as doing efficiently that which shouldn't be done at all. -Peter F. Drucker, 1909-2005 ________________________________ From: oracle-l-bounce@xxxxxxxxxxxxx [mailto:oracle-l-bounce@xxxxxxxxxxxxx] On Behalf Of Carel-Jan Engel Sent: Thursday, February 01, 2007 4:41 PM To: jaykash@xxxxxxxxxxx Cc: oracle-l-freelists Subject: Re: Is this a bug, or am I loosing it Is this a coincidence, that exactly one year after Mr. Null passed away, a NULL question pops up in this list? http://oaktable.net/pageServer.jsp?body=LexInMemoriam.html On Thu, 2007-02-01 at 13:47 -0600, JayDBA wrote: I am getting weird results from a NOT IN and NOT EXISTS query. Could this be because of NULL's or is it a bug?