When should you avoid embedding one document within another in MongoDB?

Which MongoDB shell command should you use to back up a database?

Which shell query displays all citizens with an age greater than or equal to 21?

What does a MongoDB collection consist of?

Given an ObjectId in _id, how do you get the time it was created?

Given a cursor named myCursor, which command returns a boolean value?

You want to minus one to field foo, what should you use?

What term is use to describe the order that a database stores documents on disk?

When a replica set election takes place which types of nodes can participate

Which datum does MongoDB use for calculating geospatial coordinates?

How many data types are available in MongoDB?