Pavel Stehule <pavel.stehule@xxxxxxxxx> schrieb: > > ... and I do something like "select id where animal <> 'Cat';" then > > shouldn't 1, 3, 4 and 5 be picked? As it is I only get 1, 4 and 5. > > NULL is not 'Cat'. I realize that if I were testing for NULL itself I NULL is nothing, you can't compare something with nothing. As Pavel suggested, As Pavel suggested: > In this case use operator IS DISTINCT FROM > > select id where animal IS DISTINCT FROM 'Cat'; Andreas -- Really, I'm not out to destroy Microsoft. That will just be a completely unintentional side effect. (Linus Torvalds) "If I was god, I would recompile penguin with --enable-fly." (unknow) Kaufbach, Saxony, Germany, Europe. N 51.05082°, E 13.56889°
