What is NoSQL?

NoSQL databases are Not Only Structured Query language that store the data in a non-tabular form and differently than relational tables. NoSQL databases come in a variety of types based on the data model. 

NoSQL databases provide a flexible schema for organizations that need high scalability and flexible schema for a large amount of data and user loads. 

References:

https://www.geeksforgeeks.org/introduction-to-nosql/