[AccessD] The direction of data processing

Jim Lawrence accessd at shaw.ca
Mon Jan 27 11:14:15 CST 2014


William its not that bad if taken piece by piece but anyone would choke if they tried to gulp it in one mouthful. It is a real challenge for us old-timers especially if we are being challenged by these bright young boys and girls with their flawless memories and infinite energy. ;-)

Jim

PS I would suggest going into soaps. ;-)

----- Original Message -----
From: "William Benson" <vbacreations at gmail.com>
To: "Access Developers discussion and problem solving" <accessd at databaseadvisors.com>
Sent: Sunday, January 26, 2014 9:10:25 PM
Subject: Re: [AccessD] The direction of data processing

omg or a gr8 time to leave. i should tell you about my new line of T
shirts, mugs, bed linens, and underwear and the brand I hope to build Jim.

Anyone great opening new markets in apparel sales let me know, I think I am
getting out of tech. No joke (but Quite OT, FOR WHICH I PROFUSELY APOLOGIZE)
On Jan 27, 2014 12:04 AM, "Jim Lawrence" <accessd at shaw.ca> wrote:

> Hi All:
>
> I must admit that there is a bit of a preamble to but it is all aimed at a
> point and, I believe, the future in data management.
>
> Back a number of years ago, when working for a government branch that
> handled data and policy I was asked to retrieve a full set of data
> summaries and have them ready to display and/or printout at the request of
> the department head. To say the least the data was a mess. It had evolved
> for years and each time the data model was improved the data structure was
> changed and because it was easier to just make a new table than try and
> figure out how to consolidate the information in one table. To add to
> data's complexity, government policy continued to change and affect how
> data entered into the existing table. When the variation became too extreme
> time for a new table.
>
> All this data resided, in a Oracle database, running on Unix, on one of
> the largest HP prolient computers I had ever seen. It was somewhere between
> standard server and a mini, full 64 bit, multi-core, a huge extended RAID
> with coprocessor running the stacks of drives. 64Bit and multi-core might
> not be unusual now but then it was really rare and only available to
> governments and big businesses. (A perfect piece of hardware network. ;-))
>
> I decided to run the whole interface through a MS Access FE but gather and
> calculate the data processing through the big prolient and Oracle. It took
> almost two weeks to build the Oracle procedure query. I segregated each
> data table set and applied subqueries to manage various policy changes (you
> use to be able to only go six level deep with subqueries, on the Oracle of
> the day, but I went no more than four levels. After each table set had been
> processed and a common data set had been retrieved all the data sets were
> UNION ALL together. The finished query was about two hundred lines long. I
> had tested each module extensively but now it was time to test the fully
> integrated query.
>
> I pressed the button on my Access form and trotted off for a coffee as I
> knew it would probably take a few minutes even on that great machine. As I
> was walking to the coffee room, I could over hear everyone saying the
> system had stopped. I knew it was a momentary thing so continued on to fix
> a coffee. It was momentary; the rest of the morning, momentary...two
> hundred lines of code had that huge server thrashing and every resource it
> had was being used (the benefits of having full admin rights).
>
> After that, I broke that big query into individual modules and controlled
> its processing via the Access FE. First one module was called, then when
> the data was received, that data was sorted and added to the local MDB
> table...then in a few minutes, after the server's memory had cleared, the
> next module was called and process was repeated until all the modules had
> been handled, sorted and appended. This method took less than an hour and
> none of the other staff were inconvenienced.
>
> At that moment, I realized that a system that had multiple small computers
> probably could have handled the processing far more effectively. Vertical
> processing was maxed out (and was a dead-end technology) and horizontal
> processing was the future of data management. NoSQL databases are not the
> biggest part of this process, it is the data managers like Hadoop and the
> modern languages like Elan and F# and even torrent networks (and dozens
> similar technologies), that will make the new data revolution a reality.
>
> It is a very exciting time to be working in the computer industry.
>
> Jim
>
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