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MongoDB is an open source document-oriented database which is used to store big data. It is licensed under GNU AGPL v3.0. It is also called as NoSQL database as it stores data in JSON format. The JSON format is an key-pair format. The database software has been developed by Mongo DB Inc. The company also sells commercial support for the software.

It is an document oriented database hence, it is schema less as compared to relational databases. Due to in-built JSON, it can easily  support various data and easily integrate.

This free online practice test is for nosql or big data professionals and students. They can better assess their skills on Mongo DB. Each question has 4 options and one correct answer for each.

The practice test will help you to get Vskills Certification in MongoDB.

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