Re: Implementation of boolean types.
From: Mikito Harakiri <mikharakiri_nospaum_at_yahoo.com>
Date: 15 Jul 2005 10:15:02 -0700
Message-ID: <1121447702.632548.210400_at_f14g2000cwb.googlegroups.com>
Date: 15 Jul 2005 10:15:02 -0700
Message-ID: <1121447702.632548.210400_at_f14g2000cwb.googlegroups.com>
Tony Andrews wrote:
> That would be a dumb treatment, really. NULLs propagate in
> computations for numbers, because it makes sense to do so: we really
> don't know what 1+NULL is equal to.
Not quite: 1+NULL = NULL while sum(1,1,NULL) = 2 No elementary consistency. Received on Fri Jul 15 2005 - 19:15:02 CEST