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70 MongoDB Interview Questions and Answers

According to Wikipedia, MongoDB is a cross-platform document-oriented database. Classified as a NoSQL database, MongoDB avoids the traditional table-based relational database structure in favor of JSON-like documents with dynamic schemas (MongoDB calls the format BSON), making the integration of data in certain types of applications easier and faster. MongoDB is developed by MongoDB Inc. and is published as free and open-source software. MongoDB is the fourth most popular type of database management system, and the most popular for document stores.


MongoDB is definitely a great skill to have on your resume, if you are a data scientist. To install MongoDB on your computer, click here. Below, you will find dozens of job interview questions about MongoDB. For other related job interview questions (R, Python, Data Science, Hadoop, etc.) click here. The above picture compares the performance of four NoSQL database / file systems. Click here to read the article about these benchmarks.

Below are the MongoDB job interview questions:

For the full list and more answers, click here

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