On Wednesday, February 6, 2013 at 23:31,
00jkxma2vt@xxxxxxxxxxxxxx (Alban Hertroys haramrae-at-gmail.com
|pg-gts/Basic|) wrote:
On 6 February 2013 12:56, Chris Angelico <rosuav@xxxxxxxxx> wrote:
If you get into a taxi and ask
to be driven to New Zealand within the hour, no amount of begging will
get you what you want.
....Unless you get into a taxi in New Zealand.
....Which makes the request effectively NULL, planning to do
this makes it DEFFERABLE.
Taking a different tangent ...
Is there anything in the SQL standards about NOT NULL
constraints being deferrable?
To my mind we should not consider implementing non-standard
behaviour, but if something is in the standard I can't see why
it shouldn't be implemented, esp. when there is no compulsion
for it to be used.
Regards
Gavan Schneider
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