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The "cutting edge" is getting rather dull. -- Andy Purshottam


computers / comp.os.vms / Re: CRTL and RMS vs SSIO

SubjectAuthor
* CRTL and RMS vs SSIOGreg Tinkler
+* Re: CRTL and RMS vs SSIOStephen Hoffman
|`* Re: CRTL and RMS vs SSIOGreg Tinkler
| `- Re: CRTL and RMS vs SSIOStephen Hoffman
+* Re: CRTL and RMS vs SSIOCraig A. Berry
|+* Re: CRTL and RMS vs SSIODavid Jones
||+* Re: CRTL and RMS vs SSIOJohn Dallman
|||+* Re: CRTL and RMS vs SSIOGreg Tinkler
||||+- Re: CRTL and RMS vs SSIOArne Vajhøj
||||+* Re: CRTL and RMS vs SSIOLawrence D’Oliveiro
|||||`* Re: CRTL and RMS vs SSIOArne Vajhøj
||||| `* Re: CRTL and RMS vs SSIODave Froble
|||||  `* Re: CRTL and RMS vs SSIOArne Vajhøj
|||||   `* Re: CRTL and RMS vs SSIODave Froble
|||||    `* Re: CRTL and RMS vs SSIOArne Vajhøj
|||||     `* Re: CRTL and RMS vs SSIODave Froble
|||||      +* Re: CRTL and RMS vs SSIOLawrence D’Oliveiro
|||||      |`* Re: CRTL and RMS vs SSIODave Froble
|||||      | `* Re: CRTL and RMS vs SSIOSimon Clubley
|||||      |  +- Re: CRTL and RMS vs SSIODave Froble
|||||      |  +- Re: CRTL and RMS vs SSIOLawrence D’Oliveiro
|||||      |  `* Re: CRTL and RMS vs SSIOPhillip Helbig (undress to reply
|||||      |   +- Re: CRTL and RMS vs SSIOLawrence D’Oliveiro
|||||      |   `* Re: CRTL and RMS vs SSIOPhillip Helbig (undress to reply
|||||      |    +* Re: CRTL and RMS vs SSIOLawrence D’Oliveiro
|||||      |    |`- Re: CRTL and RMS vs SSIODave Froble
|||||      |    `* Re: CRTL and RMS vs SSIOPhillip Helbig (undress to reply
|||||      |     `- Re: CRTL and RMS vs SSIOLawrence D’Oliveiro
|||||      `* Re: CRTL and RMS vs SSIOArne Vajhøj
|||||       `* Re: CRTL and RMS vs SSIODave Froble
|||||        +* Re: CRTL and RMS vs SSIOJan-Erik Söderholm
|||||        |`* Re: CRTL and RMS vs SSIODave Froble
|||||        | +* Re: CRTL and RMS vs SSIOArne Vajhøj
|||||        | |`* Re: CRTL and RMS vs SSIODave Froble
|||||        | | `* Re: CRTL and RMS vs SSIOSimon Clubley
|||||        | |  `* Re: CRTL and RMS vs SSIODave Froble
|||||        | |   `- Re: CRTL and RMS vs SSIOArne Vajhøj
|||||        | `* Re: CRTL and RMS vs SSIOLawrence D’Oliveiro
|||||        |  `* Re: CRTL and RMS vs SSIOchris
|||||        |   +- Re: CRTL and RMS vs SSIOArne Vajhøj
|||||        |   `* Re: CRTL and RMS vs SSIOLawrence D’Oliveiro
|||||        |    `- Re: CRTL and RMS vs SSIOchris
|||||        +* Re: CRTL and RMS vs SSIOArne Vajhøj
|||||        |`* Re: CRTL and RMS vs SSIODave Froble
|||||        | `* Re: CRTL and RMS vs SSIOArne Vajhøj
|||||        |  +* Re: CRTL and RMS vs SSIODave Froble
|||||        |  |+* Coding with/without RDBMSDave Froble
|||||        |  ||+- Re: Coding with/without RDBMSArne Vajhøj
|||||        |  ||`* Re: Coding with/without RDBMSSimon Clubley
|||||        |  || +* Re: Coding with/without RDBMSArne Vajhøj
|||||        |  || |`* Re: Coding with/without RDBMSDave Froble
|||||        |  || | +* Re: Coding with/without RDBMSArne Vajhøj
|||||        |  || | |`* Re: Coding with/without RDBMSSimon Clubley
|||||        |  || | | `* Re: Coding with/without RDBMSArne Vajhøj
|||||        |  || | |  `* Re: Coding with/without RDBMSSimon Clubley
|||||        |  || | |   +- Re: Coding with/without RDBMSchris
|||||        |  || | |   `* Re: Coding with/without RDBMSArne Vajhøj
|||||        |  || | |    `* Re: Coding with/without RDBMSLawrence D’Oliveiro
|||||        |  || | |     +- Re: Coding with/without RDBMSArne Vajhøj
|||||        |  || | |     `- Re: Coding with/without RDBMSchris
|||||        |  || | `* Re: Coding with/without RDBMSPhillip Helbig (undress to reply
|||||        |  || |  +* Re: Coding with/without RDBMSArne Vajhøj
|||||        |  || |  |`- Re: Coding with/without RDBMSDave Froble
|||||        |  || |  `* Re: Coding with/without RDBMSBill Gunshannon
|||||        |  || |   +* Re: Coding with/without RDBMSArne Vajhøj
|||||        |  || |   |+- Re: Coding with/without RDBMSDavid Jones
|||||        |  || |   |`- Re: Coding with/without RDBMSLawrence D’Oliveiro
|||||        |  || |   `- Re: Coding with/without RDBMSDave Froble
|||||        |  || `* Re: Coding with/without RDBMSDave Froble
|||||        |  ||  +* Re: Coding with/without RDBMSArne Vajhøj
|||||        |  ||  |+- Re: Coding with/without RDBMSLawrence D’Oliveiro
|||||        |  ||  |`* Re: Coding with/without RDBMSDave Froble
|||||        |  ||  | `- Re: Coding with/without RDBMSArne Vajhøj
|||||        |  ||  +- Re: Coding with/without RDBMSLawrence D’Oliveiro
|||||        |  ||  +* Re: Coding with/without RDBMSPhillip Helbig (undress to reply
|||||        |  ||  |`- Re: Coding with/without RDBMSArne Vajhøj
|||||        |  ||  `* Re: Coding with/without RDBMSSimon Clubley
|||||        |  ||   `* Re: Coding with/without RDBMSDave Froble
|||||        |  ||    +- Re: Coding with/without RDBMSLawrence D’Oliveiro
|||||        |  ||    `* Re: Coding with/without RDBMSSimon Clubley
|||||        |  ||     +* Re: Coding with/without RDBMSBill Gunshannon
|||||        |  ||     |`- Re: Coding with/without RDBMSLawrence D’Oliveiro
|||||        |  ||     `* Re: Coding with/without RDBMSDave Froble
|||||        |  ||      +- Re: Coding with/without RDBMSLawrence D’Oliveiro
|||||        |  ||      +* Re: Coding with/without RDBMSArne Vajhøj
|||||        |  ||      |`* Re: Coding with/without RDBMSLawrence D’Oliveiro
|||||        |  ||      | `* Re: Coding with/without RDBMSArne Vajhøj
|||||        |  ||      |  `- Re: Coding with/without RDBMSLawrence D’Oliveiro
|||||        |  ||      `* Re: Coding with/without RDBMSBill Gunshannon
|||||        |  ||       +* Re: Coding with/without RDBMSDavid Jones
|||||        |  ||       |`- Re: Coding with/without RDBMSLawrence D’Oliveiro
|||||        |  ||       +* Re: Coding with/without RDBMSSimon Clubley
|||||        |  ||       |`* Re: Coding with/without RDBMSArne Vajhøj
|||||        |  ||       | +- Re: Coding with/without RDBMSLawrence D’Oliveiro
|||||        |  ||       | `* Re: Coding with/without RDBMSBill Gunshannon
|||||        |  ||       |  +* Re: Coding with/without RDBMSLawrence D’Oliveiro
|||||        |  ||       |  |+* Re: Coding with/without RDBMSJan-Erik Söderholm
|||||        |  ||       |  ||+- Re: Coding with/without RDBMSArne Vajhøj
|||||        |  ||       |  ||`- Re: Coding with/without RDBMSLawrence D’Oliveiro
|||||        |  ||       |  |`- Re: Coding with/without RDBMSArne Vajhøj
|||||        |  ||       |  +- Re: Coding with/without RDBMSPhillip Helbig (undress to reply
|||||        |  ||       |  +- Re: Coding with/without RDBMSArne Vajhøj
|||||        |  ||       |  `- Re: Coding with/without RDBMSArne Vajhøj
|||||        |  ||       +- Re: Coding with/without RDBMSArne Vajhøj
|||||        |  ||       `- Re: Coding with/without RDBMSDave Froble
|||||        |  |+- Re: CRTL and RMS vs SSIOArne Vajhøj
|||||        |  |`* Re: CRTL and RMS vs SSIOArne Vajhøj
|||||        |  `- Re: CRTL and RMS vs SSIOArne Vajhøj
|||||        `* Re: CRTL and RMS vs SSIOLawrence D’Oliveiro
||||+* Re: CRTL and RMS vs SSIODave Froble
||||+* Re: CRTL and RMS vs SSIOSimon Clubley
||||`* Re: CRTL and RMS vs SSIOStephen Hoffman
|||+* Re: CRTL and RMS vs SSIOLawrence D’Oliveiro
|||`- Re: CRTL and RMS vs SSIOSimon Clubley
||`* Re: CRTL and RMS vs SSIOLawrence D’Oliveiro
|`* Re: CRTL and RMS vs SSIODave Froble
`- Re: CRTL and RMS vs SSIOArne Vajhøj

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Re: CRTL and RMS vs SSIO

<619d8864$0$704$14726298@news.sunsite.dk>

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https://www.novabbs.com/computers/article-flat.php?id=18886&group=comp.os.vms#18886

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Date: Tue, 23 Nov 2021 19:33:40 -0500
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Subject: Re: CRTL and RMS vs SSIO
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<615f175c$0$695$14726298@news.sunsite.dk> <sjnanq$h1f$2@dont-email.me>
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<61677a7e$0$696$14726298@news.sunsite.dk>
From: arn...@vajhoej.dk (Arne Vajhøj)
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 by: Arne Vajhøj - Wed, 24 Nov 2021 00:33 UTC

On 10/13/2021 8:31 PM, Arne Vajhøj wrote:
> On 10/13/2021 4:53 PM, Dave Froble wrote:
>> On 10/13/2021 1:59 PM, Arne Vajhøj wrote:
>>> Here is an example of some (Python) code using SQL to
>>> join, select, aggregate, sort and limit some data.

>>> I believe that it would take a lot more code to
>>> retrieve data from index-sequential files and
>>> do the work on the data.
>>
>> Not a lot, however the sorting by customer name would entail some
>> additional code.
>>
>> However, reading the order file, doing the selection, look-up customer
>> record, and release to record sort, then read back sorted records is
>> not "a lot more" code.
>
> I tried writing it in Pascal using index-sequential files.

I ended up writing a whole lot of code:

https://www.vajhoej.dk/arne/articles/dbagain.html

Arne

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