How mongodb works? Explain

1

How we can create an index in mongodb?

1

What are indexes in mongodb?

1

If a ‘movechunk’ fails, is it necessary to cleanup the partially moved docs?

1

Is nosql database will replace to rdbms?

5

Is mongodb columnar?

1

What is nosql database and why you use nosql database?

5

Which function is used to create an index?

5

How to determine the size of an index?

5

How to save array of objects in mongoose?

1

Can the old files in the ‘movechunk’ directory be removed?

1

Why is mongodb used?

1

Is mongodb still popular?

1

Which all languages can be used with mongodb?

5

What is the use of a namespace in mongodb?

1