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

MongoDB Interview Questions

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Give some features of MongoDB.

What is syntax of for loop in r?

What is BSON?

How do you limit the number of result returned?

What is the syntax of mongodb collection?

Define mongodb SUM?

What is the role of use command?

What is the need to provide size option on create collection?

Give any 6 data types of MongoDB?

How do you display the list of all collections of current database?

What is the symbol of logical OR operation in mongodb?

What are the different methods to insert document?

What is the difference between insert() and insertOne()?

What is the syntax of update document?

Who developed MongoDB and when?

Un-Answered Questions { MongoDB }

What is mongod command?

Can mongodb replace oracle?

What is the best gui for mongodb?

Mention what is the basic syntax to use index in mongodb?

Is mongodb single threaded?

How can you enter multi line operations in the mongo shell?

How to know, what indexes exist in a collection?

What is the use of a namespace in mongodb?

What types of locking use in mongodb?

How do I drop a collection in mongodb?

How to check duplicate data in mongodb?

Why is mongodb?

What is write concern in mongodb?

Who developed MongoDB and when?

What is the meaning of projections in mongoDB?

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