Re: storing survey answers of different data types

From: Bob Badour <bbadour_at_pei.sympatico.ca>
Date: Sun, 26 Apr 2009 00:23:28 -0300
Message-ID: <49f3d3b3$0$5479$9a566e8b_at_news.aliant.net>


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. Received on Sun Apr 26 2009 - 05:23:28 CEST

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