
A database is an organized collection of data that is stored and managed in a way that allows easy access, retrieval, updating, and deletion of information. It helps users and applications efficiently store and manipulate large amounts of data.
SQL Database : table
NoSQL Database : collection with json document
https://www.mongodb.com/try/download/community
https://www.mongodb.com/try/download/shell

Installing MongoDB
The current SQL/NoSQL landscape
Document-oriented vs. other types of storage
Mongo’s featureset
Common use-cases
MongoDB databases
MongoDB Collections
MongoDB Documents