Dr. Codd Was Right: The APL of My Eye

Vaccinated ≠ Not Infectious

$536,800,000 MARF^™(party like it's 1829)
-- New York Slammers, so far/2024 [GA and The Feds still to come]

Covid-19 has killed at least 1,123,836 people (as of 20 March 2023, final update)

Scientists aren't vocal enough about science. There are large groups of people who think scientists are all frauds and who don't believe in science, and they're being cultured by some of our far right-wing politicians, religious leaders and community leaders.
-- Drew Weissman/2022

To date, Microsoft is stating that organizations testing In-Memory OLTP have seen transaction speeds improve by up to 30 times compared to past performance, with the best performance gains achieved when the business logic resides in the database and not in the applications.
-- Jonathan Watts/2015 [my emphasis]

I have had to explain and re-explain and re-explain and re-explain, you know, how relational databases work, what is an eigenvector, what is dimensionality reduction.

-- Christopher Wylie/2018

... but Flash-based storage has such a different performance profile from rotating media, that I suspect that it will end up having a large impact on filesystem design. Right now, most filesystems tend to be designed with the latencies of rotating media in mind.

-- Linus Torvalds/2007

I believe quite strongly that, if you think about the issue at the appropriate level of abstraction, you're inexorably led to the position that databases must be relational.

-- Chris Date/2009

This week's thought

[The intelligence community] argued that [the restrictive amendment] would cripple the program because they typically use it before there is enough evidence to meet a standard of probable cause for a warrant, like early in investigations when they are trying to learn more about a phone number or an email account found to be in contact with a suspected foreign spy or terrorist.
-- Charlie Savage/2024 [IOW, let's catch the thief before the horse is out of the barn - the MARF^™(party like it's 1829) traitor's worst nightmare]

Therefore:

In a time of SSD, multi-core/processor, two terabyte memory and Optane App Direct Mode machines, there is no reason not to build from BCNF data. Time to do what Dr. Codd demonstrated. Technology has finally caught up with the maths.

22 December 2012

The APL of My Eye

When I found R, I found an artifact of a language I dabbled in decades ago (the use of <- for assignment). That language is APL (A Programming Language, by Iverson). Turns out that I'm not the only, or first, to notice this connection. An older post from the folks at Revolution Analytics. I actually had my hands on a real APL keyboard, lo those many days ago. APL is still around, but I don't know about the keyboards.

Reading through the wiki piece, the similarity between the matrix operation paradigm of APL and the set operations of the RM came to mind once again. Turns out Codd wrote this paper on using the two together.

And there were the legendary one liner contests:

There were soon contests to see who could find a one-line version of an algorithm previously thought to require many. Sometimes this improved clarity. Sometimes it had the opposite effect, and brevity trumped readability.

The point was about the same as Obfuscated C contests, I suppose.

RStudio maps alt- to <-, so it's no burden.

Dr. Codd Was Right

Vaccinated ≠ Not Infectious

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22 December 2012

The APL of My Eye

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