sql has stood the test of time, but we've also figured out how to extend the sql dbs and relational model so that it works efficiently in a lot more scenarios.

sql has stood the test of time, but we've also figured out how to extend the sql dbs and relational model so that it works efficiently in a lot more scenarios. there are column stores that do incredible compression, in-memory row stores, you can put json in a sql database and efficiently query it.