There are over a dozen distributed SQL database projects out there, and as many middleware to shard SQL databases. Some of the worlds largest properties , eg

There are over a dozen distributed SQL database projects out there, and as many middleware to shard SQL databases. Some of the worlds largest properties , eg. Meta , largely run on MySQL. Eg. https://engineering.fb.com/2016/08/31/core-data/myrocks-a-space-and-write-optimized-mysql-database/ https://engineering.fb.com/2016/08/31/core-data/myrocks-a-sp...