MongoDB Interview Questions
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Give some features of MongoDB.

5

What is syntax of for loop in r?

5

What is BSON?

5

How do you limit the number of result returned?

5

What is the syntax of mongodb collection?

5

Define mongodb SUM?

5

What is the role of use command?

5

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

5

Give any 6 data types of MongoDB?

5

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

5

What is the symbol of logical OR operation in mongodb?

5

What are the different methods to insert document?

5

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

5

What is the syntax of update document?

5

Who developed MongoDB and when?

5


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Un-Answered Questions { MongoDB }

How to define array in mongoose schema?

1


How to perform transactions/lock in mongodb?

5


Explain the covered query in mongodb.

1


Mongodb uses bson to represent document structures. True or false?

5


Why mongodb is known as best nosql database?

1






How to check duplicate data in mongodb?

1


Where is the mongodb database?

1


What are mongodb shards?

1


Which is better firebase or mongodb?

1


What is the role of use command?

5


Is mongodb better than mysql? Explain

1


Compare mongodb and couchdb at high level?

5


Is nosql database will replace to rdbms?

5


How to populate multiple fields in mongoose?

1


Is mongodb a distributed database?

1