Understanding Database Scalability – Vertical and Horizontal

https://blog.sqlauthority.com/2016/04/29/understanding-database-scalability-vertical-horizontal/

MongoDB

MongoDB was released in 2009 and is used by many organizations including Klout, Citrix, Twitter, T-Mobile, Zendesk, Sony, Hootsuite, SurveyMonkey, MuleSoft, Foursquare, and InVision.


Mongo DB documentation

https://docs.mongodb.com/manual/introduction/


MongoDB vs SQL Terminology

https://www.educba.com/mongodb-vs-sql-server/

http://tutorialtous.com/mongodb/mongodbvssql.php

https://www.edureka.co/blog/sql-vs-nosql-db/