MongoDB known as no sql db which one based on JSON structure document oriented database. Before drive into MongoDB make sure compass and mongo shell installed in  ur pc or laptop. Now open command prompt and type mongosh.

Operation list:

• Create database type use database_name.
• Create collection type db.createCollection(collection_name) or db.collection_name.insertOne(data_set).
• Insert data type  db.collection_name.insertOne(data_set) or  db.collection_name.insertMany([data_set,data_set,data_set]).
• Show data type db.collection_name.find() or db.collection_name.findOne().

Note: In MongoDB a database or collection is not actually created untill its get content. 

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