On Fri, 20 Mar 2020 01:29:06 -0000 (UTC)
Martin Gregorie  wrote:

> My point being that its often the same mistakes being warmed over again.

 All too true.

> I'm lucky in that, back when IDMS was a thing, I got some really good
> training on its care and feeding. I largely picked up relational
> databases on the job, but a surprising amount of what I learnt about IDMS
> design was also relevant for RDBMS, especially the preliminaries: data
> normalisation and using with Entity-Relationship diagrams to design the
> schema.

 Hmm similar, I cut my DBA teeth on a thing called MDBS-III, a
network database engine that ran on CP/M, MP/M and MS-DOS[1]. Getting the
schema right really mattered because changing it was a *pig*.

[1] It wasn't until the AT that the MS-DOS version was the fastest.

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