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Databases: how they work, and a brief history

Link – Nov 21st 2019 – seldo.com

Laurie Voss, co-founder of npm, explains how databases work, what the difference is between MySQL and something like Redis, why MySQL is popular and much more!

My twitter-friend Simon had a simple question that contained much complexity: how do databases work? The result was an absurdly long thread of 70+ tweets, in which I expounded on the workings and history of databases as used by modern web developers, and Simon chimed in on each tweet with further questions and requests for clarification. The result of this collaboration was a super fun tiny explanation of databases which many people said they liked, so here it is, lightly edited for clarity.