Re: The Relational Model & Queries That Naturally Return Duplicate Rows
From: Bob Badour <bbadour_at_pei.sympatico.ca>
Date: Sat, 09 Oct 2010 21:32:49 -0300
Message-ID: <4cb109a3$0$14818$9a566e8b_at_news.aliant.net>
>
> Hmmmmmmmm. Now I'm just being curious.
>
> How can you match this claim of yours with the fact that the OP
> explicitly states in his question that
>
> "Since this is not a relation - because it contains duplicate rows -
> ".
>
> Do you think there exists any source _BUT_ "significant RM theory
> material" where he could have acquired the knowledge to state that ?
Date: Sat, 09 Oct 2010 21:32:49 -0300
Message-ID: <4cb109a3$0$14818$9a566e8b_at_news.aliant.net>
Erwin wrote:
> On 10 okt, 00:14, Cimode <cim..._at_hotmail.com> wrote:
>
>>Getting an unintuitive point across to somebody who >>probably never read any significant RM theory material
>
> Hmmmmmmmm. Now I'm just being curious.
>
> How can you match this claim of yours with the fact that the OP
> explicitly states in his question that
>
> "Since this is not a relation - because it contains duplicate rows -
> ".
>
> Do you think there exists any source _BUT_ "significant RM theory
> material" where he could have acquired the knowledge to state that ?
You assume the text requires knowledge instead of copy/paste. I suspect he got the text from a test question. Received on Sun Oct 10 2010 - 02:32:49 CEST