MongoDB Interview Questions, Answers for Freshers and Experienced asked in various Company Job Interviews

MongoDB Interview Questions

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Does mongodb need a lot of ram?

how to do transactions/locking in mongodb?

Which all languages can be used with mongodb?

Explain replica set?

what is the role of profiler in mongodb?

If you remove a document from database, does mongodb remove it from disk?

Why 32 bit version of mongodb are not preferred ?

In mongodb how do you use $set to update a nested value?

What are the different types of nosql databases? Give some examples.

What do you mean by a replica set in mongodb?

Write the syntax for creating a collection and dropping a collection in mongodb.

List some alternatives to mongodb?

List the important features of mongodb.

What is the use of a namespace in mongodb?

What do you understand by a profiler with reference to mongodb?

Un-Answered Questions { MongoDB }

To do safe backups what is the feature in mongodb that you can use?

Does mongodb handle application level caching?

In mongodb how do you use $set to update a nested value?

What is better mysql or mongodb?

Is mongodb columnar?

What is projection in mongodb?

Is mongodb stitch free?

Write the syntax for creating a collection and dropping a collection in mongodb.

How to add new field to existing document in mongodb using java?

Explain what is the role of profiler in mongodb?

In which format mongodb represents document structure?

How to do transaction/locking in mongodb?

What is the syntax of mongodb collection?

What is secondary or slave in mongodb?

How can I see the connections which you used in mongos?

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