Re: Why are [Database] Mathematicians Crippled ?

Op zondag 1 februari 2015 13:51:57 UTC+1 schreef Derek Asirvadem:
> Dear people
>
> I was thinking about WHY database theoreticians are CRIPPLED.
>
> I remembered a link to a video that someone sent me, as a joke, "here look at this, what a joke". Yeah, sure, it was funny.
>
> 2. But there is something I do not understand. It isn't a joke to the presenter, he is serious. Why is this professor, teaching this "lesson", at grad level, in an university, in 2011 ??? What is the purpose ??? What is the atom of learning in that ??? It is a short video:
>
> Dr Gary Böticcher, Professor, Computing Studies, U of Houston Clear Lake
> "Relational Database Theory/Functional Dependencies & Logically Implied Keys"
> https://www.youtube.com/watch?v=i4sk4h2lhtU
>
> 3. Why doesn't he count the hairs on his head, or the petals in a rose, or fish in the sea, or think abot "how do I love thee, let me count the ways". Or, since he likes permutations, count the round hairs vs the flat curly ones, and determine the permutations between them. He would get a more accurate result.
>
> Oh, wait. Maybe you do not know it is wrong, wrong, wrong. Let me back up.
>
> 1. First, do you know that what he is teaching is wrong ?

Wrong? Not in the part I just watched. He kinda skips giving a complete definition of FDs but I don't see him using normalization terminology in a non-standard way. He pretty much sticks to the textbook stuff. Would you be able to make your accusations a bit more concrete?

• Jan Hidders