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Category: Modelling

The cost of flexibility

June 14, 2021 ~ Bob ~ 2 Comments

Flexibility in software design is often seen as a good thing, but it can come at a cost.  This isn’t surprising, because software engineering is a kind of engineering, and engineering involves making trade-offs among several good things.  For instance, there is no “best” car, just the best car for a given situation, with a … Continue reading The cost of flexibility

Data modelling for programmers

August 2, 2017 ~ Bob ~ 4 Comments

This article is for anyone, but is mostly aimed at people who have done some programming and now want to tackle data modelling - things like designing tables in a database. When you start data modelling, you eventually hit the unavoidable problem that real life is big and messy.  I have found two tactics to … Continue reading Data modelling for programmers

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