[Info-vax] The real problem that needs solving to grow VMS

[Dave Froble]

On 11/23/2022 8:11 AM, Simon Clubley wrote:
> On 2022-11-22, Arne Vajhøj <arne at vajhoej.dk> wrote:
>> On 11/22/2022 10:46 AM, IanD wrote:
>>> I don't believe you use any relational DB for your application do
>>> you? (I base this on that I don't recall you mentioning things like
>>> using RDB in your posts but I could be wrong)
>>
>> Dave is known to use index-sequential files.
>>
>
> Even better. :-) It's David's own ISAM solution written in Macro-32
> that he uses. :-)

Well to be fair, the original idea for the database came from Lee Bitterman, and 
the original ISAM implementation was written by Dan Rosen.  Both very smart 
guys.  The original implementation was in Basic+.  I'll admit to some 
refinements along the way.

>>> I've been trying to use it to model software testing components for a
>>> large software conversion project, as a learning exercise, I can see
>>> the potential but I lack the knowledge of Neo4j to quickly knock out
>>> solutions, so it's a hard grind of learning in my own time :-(
>>
>> They have some market share.
>>
>> It is my impression that they are mostly used for analytical work
>> and not so much for for transactional/CRUD work. Not to just save
>> and retrieve data but for trying to get some insight out of the data.
>>
>> How that fits with Dave's usage I have no idea.
>>
>
> It doesn't. David's problem is a normal transaction based problem with
> issuing and managing items, but with the added complexity that the part
> number can change on a regular basis. Supersessions and supersession loops
> are part of normal parts management and the surprise is not the problem,
> but the fact the vendors his customers are talking to can't handle them.

Some of the younger people in IT seem to lack understanding of some fundamentals.


-- 
David Froble                       Tel: 724-529-0450
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