Interview

The update() and save() methods are used to update documents into a collection.

The db command gives the name of the currently selected database.

In MongoDB, a collection is a group of MongoDB documents.

The mongodump command is used to create a backup of the database.

What is the syntax of the sort() method? In MongoDB, the following syntax is used for sorting documents: >db.COLLECTION_NAME.find().sort({KEY:1})

The syntax of the limit() method is as follows: >db.COLLECTION_NAME.find().limit(NUMBER)