[Info-vax] CRTL and RMS vs SSIO

[Arne Vajhøj]

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