Re: Object-oriented thinking in SQL context?
Date: Tue, 16 Jun 2009 16:50:36 -0300
> On Jun 15, 12:38 am, David BL <davi..._at_iinet.net.au> wrote: >
>>On Jun 12, 10:42 pm, Marshall <marshall.spi..._at_gmail.com> wrote:
>>Bob's support comes from the substance of his posts, not his vitriol.
> > I used to believe that too. Finding out that it wasn't true was > quite a shock, I must tell you. > > At the height of my anti-Bob attacks, I had a number > of people write to me, both publicly and privately, > specifically in support of Bob's vitriol. > >
>>For most people that choice is made in what they choose to read. One
>>of the good things about the Internet is freedom of speech. Do you
>>really think it should be controlled, so viewpoints that you or Bob
>>consider objectionable or harmful can be suppressed?
> > No, I sure don't. Note that an inevitable consequence of belief > in the value of free speech is that it necessarily entails that > Bob gets to say all the things that are currently being debated.
It's true I do report spam to the originating service, but that's the
only censorship I attempt.
I identify the idiots and their nonsense; I don't suppress them. I have
no means to even if I wanted to.
I identify the idiots and their nonsense; I don't suppress them. I have no means to even if I wanted to.
Academic publishing, on the other hand, does practise censorship through the peer review process. That censorship is a cornerstone of academic collegialism. At one time, that collegialism spilled over into usenet, but 1995 happened: September never ends.
I find it ironic that some of those who most vocally oppose me and who accuse me of censorship retreat to the protection of a censored environment. Their actions support censorship more than mine do.
>>If you don't trust people to make up their own mind, you could always
>>respond to an obviously bad poster with something short and factual.
>> "That post confused the definition of 5th normal
>> form making it unintelligible".
>>It takes less effort and has more venom than a longer post full of
>>insults. In any case, you don't need to be told how to suck eggs and
>>you mostly take the high road. It's one reason I think highly of you.
> > Well, back at you. You're one of my favorite posters. > >
>>I came here because I'm researching the concurrent editing of data
>>using Operational Transform (OT). I'm interested in recursive data
>>types that for example are associated with scene graphs.
I suggest a more appropriate venue might be comp.graphics.research
>>Unfortunately Bob has been so effective at "cleansing" this NG it is
>>difficult to get anything but D&D viewpoints here. Someone interested
>>in a domain like CAD and interested in recursive data types would be
>>viewed as an OO loving idiot by Bob and not last long here. He
>>attacks people that may actually have something interesting to say.
That's demonstrably false. Paul brings up the topic of recursive types here periodically. It's not my fault they are not as profound or as complicated as some folks want them to be. It's not my fault the relational model with relation valued attributes handles them so simply and so elegantly.
Granted, I would tend more for normal referential integrity and the close operation.
>>When I first arrived at cdt I was "censored" for suggesting there
>>could be OT based applications where a simple rwlock is more
>>appropriate than a conventional lock manager based on strict 2PL. Bob
>>was derisive, yet his arguments were merely simplistic generalisations
>>- all of which arose from ignorance of OT. For example:
>> "Are you suggesting that it is possible to acquire
>> and release a universal exclusive lock over a
>> distributed system in less than 200 microseconds?"
>>In another post he implied incorrectly that distributed database
>>systems must support distributed transactions. Again this stems from
>>His only interesting contribution was a reference to a paper by Jim
>>Gray that claimed update anywhere-anytime-anyway transactional
>>replication was inherently unable to scale because reconciliations
>>grow with cubic order. However in reality Bob was just a VI, and
>>that's the part I find so ironic. He was unaware of the literature on
>>OT and the sense in which Gray's result was inapplicable (even the
>>abstract mentions that commutative update transactions avoid the
>>instability), and yet pretended to be an authority on the subject.
Perhaps someone could point me to anywhere I have ever claimed to be an authority on anything. I suggest it is hard to pretend anything without ever declaring or even suggesting it.
>>You may be interested in some of the mathematics behind OT. For
>>example lattice theory is relevant to causality preservation in a
> > Yes, I'm quite interested in such things as distributed transactions, > but they're pretty far down on my queue right now. > > Kinda gotta go; I'm really short on sleep lately. > > MarshallReceived on Tue Jun 16 2009 - 21:50:36 CEST