I wrote a piece that touches a bit on the why: https://decimals.substack.com/p/things-i-wish-i-knew-before-building https://decimals.substack.com/p/things-i-wis

I wrote a piece that touches a bit on the why: https://decimals.substack.com/p/things-i-wish-i-knew-before-building https://decimals.substack.com/p/things-i-wish-i-knew-before-... But in a nutshell: availability and scalability. Yes you can achieve this with relational DBs, but it will be quite complex, while No-SQL gives it by design. All while ensuring all the goodness of relational data modeling, consistency and queries. The only requirement is a good table design: https://www.youtube.com/watch?v=6yqfmXiZTlM&t=1s https://www.youtube.com/watch?v=6yqfmXiZTlM&t=1s