[Tutor] Advice on multi-dimensional data storage

[Bob Gailer]

On Mar 16, 2016 5:59 AM, "Matt Williams" <matt.williams45.mw at gmail.com>
wrote:
>
> Dear Tutors,
>
> I am looking for some advice. I have some data that has three dimensions
to
> it. I would like to store it such that one could manipulate (query/
update/
> etc.) by dimension - so it would be feasible to ask for all of the data
> that shares a value in d1, or iterate over all of the values via d2.

I don't understand. Please give a couple of examples.