Re: WWW/Internet 2009: 2nd CFP until 21 September
Date: Thu, 13 Aug 2009 00:18:25 -0300
paul c wrote:
> Mr. Scott wrote: >
>> "Bob Badour" <bbadour_at_pei.sympatico.ca> wrote in message
>>> paul c wrote:
>>>> Mr. Scott wrote:
>>>>> I'm confused. What requirement are you referring to? Are you
>>>>> referring to the requirement that nulls be eliminated or the fact
>>>>> that an order isn't an order without a delivery destination? The
>>>>> referential cycle was a consequence of trying to eliminate nulls. ...
>>> What cycle? And why would anyone care about a referential cycle? It's
>>> not like SQL hasn't had deferred checking for a decade or two.
>> I think it's misleading to say that Sql has deferred checking. Both
>> deferred constraints and subquery in check are optional features of
>> the Sql standard. Neither Sql Server or DB2 support either. Oracle
>> does support deferred constraint checking but not subqueries in check.
> I gather you are no longer talking about sql, but about products.
And as I made clear earlier, the specific limitations of whatever shitty implementation of SQL he's using are irrelevant in a theory newsgroup. For fuck sake, both multi-table constraints and deferred checking have been standard for at least 17 fucking years. ::rolls eyes:: Received on Wed Aug 12 2009 - 22:18:25 CDT