Durability

How databases ensure durability during transactions. Plus how to avoid common mistakes in systems design interviews.

Hi Friends,

Welcome to the 54th issue of the Polymathic Engineer newsletter. Since this is the first time I will write in 2024, I want to wish you a happy new year.

This week, we will try to answer an interesting interview question for backend engineers.

What happens when a database crashes while it's in the middle of a transaction?

I find it a great questi…