When reading the article Crunching 30 Years of NBA Data with MongoDB Aggregation I coulnd’t help but think that we’ve been enjoying aggregates in SQL for 3 or 4 decades already. When using PostgreSQL it’s even easy to actually add your own aggregates given the SQL command create aggregate. *Photo Credit: [Copyright All rights reserved by Segward Graupner](https://www.flickr.com/photos/57426425@N07
