I actually don't know. There was this previous discussion https://news.ycombinator.com/item?id=22324691 https://news.ycombinator.com/item?id=22324691. Might be

I actually don't know. There was this previous discussion https://news.ycombinator.com/item?id=22324691 https://news.ycombinator.com/item?id=22324691. Might be some gems there. For me, it is the 3rd normal form and the adage of "Normalize till it hurts, denormalize till it works".