10 things every dev should know about relational databases (but forgot to ask)

A SkillsCast for this session is not available.

Relational databases are a pretty high-level abstraction to start with. Chuck an ORM over the top, and the temptation to treat them as a magic box is understandable. We all know it’s wrong, sometimes we even kid ourselves we’ll get a specialist in for a week at the end for a design review, but there’s this app to build, and these sprints to run, and while the abstraction holds everything’s good. Abstractions never hold.

In this talk we’ll go beyond the basics and run through ten of the more common misconceptions developers have about relational databases, how they work, and some of the bear traps that lie in wait for the unwary. You will not leave an expert relational database designer, but hopefully you can avoid walking into some of the more common gotchas in future.

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