Re: storing survey answers of different data types

From: Joe Thurbon <usenet_at_thurbon.com>
Date: Sun, 26 Apr 2009 04:22:31 GMT
Message-ID: <op.usy7rt2pq7k8pw_at_imac.local>


On Sun, 26 Apr 2009 13:23:28 +1000, Bob Badour <bbadour_at_pei.sympatico.ca> wrote:

> Bob Badour wrote:
>
>> Joe Thurbon wrote:
>>
>>> On Sun, 26 Apr 2009 11:03:17 +1000, Bob Badour
>>> <bbadour_at_pei.sympatico.ca> wrote:
>>>
>>>> Joe Thurbon wrote:
>>>>
>>>>> On Sun, 26 Apr 2009 03:35:57 +1000, Bob Badour
>>>>> <bbadour_at_pei.sympatico.ca> wrote:
>>>>>
>>>>>> Joe Thurbon wrote:
>>>>>>
>>>>>>> On Sat, 25 Apr 2009 10:57:16 +1000, Bob Badour
>>>>>>> <bbadour_at_pei.sympatico.ca> wrote:
>>>>>>>
>>>>>>>> Joe Thurbon wrote:
>>>>>>>>
>>>>>>>>> On Fri, 24 Apr 2009 14:41:12 +1000, Bob Badour
>>>>>>>>> <bbadour_at_pei.sympatico.ca> wrote:
>>>>> I thought it was straightforward. I'll list my reasoning here,
>>>>> (1) Each relation R is a predicate
>>>>> (2) Each tuple in the relation R(v1, ..., vn) is a ground instance
>>>>> of that predicate
>>>>> (3) A system catalog is a predicate which contains unground instances
>>>>> of other predicates.
>>>>> (4) That's second order
>>>>
>>>>
>>>> 3 is dodgy. A system catalog is just a bunch of relations a la 1) and
>>>> 2).
>>>
>>> Are you saying that none of the values in the system catalog are
>>> predicates?
>> No, I am not saying that. Obviously, any relation in the system
>> catalog is a predicate.
>
> You use a lot of logic terminology, but you don't seem to really
> understand any of it. I apologize, but I won't be spending any more time
> on your questions.

Oh, does that meen you've filtered me?

(Last question to you in this thread, I promise)

Cheers,
Joe Received on Sun Apr 26 2009 - 06:22:31 CEST

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