MongoDB quiz questions

Which of following command will return all items from inventory collection

1. db.inventory.find( {} )

2. db.inventory.find()

3. db.inventory.findAll()

Create or insert operations add new documents to a collection. If the collection does not currently exist, insert operations will create the collection.

1. True

2. False

MongoDB provides the following methods to insert documents into a collection:

• db.collection.insert()
• db.collection.insertOne() New in version 3.2
• db.collection.insertMany() New in version 3.2

1. True

2. False

Specify all correct statments regarding mongo shell

1. print() to print without formatting

2. print(tojson(<obj>)) to print with JSON formatting and equivalent to printjson()

3. printjson() to print with JSON formatting and equivalent to print(tojson(<obj>))

4. None of above

What function do you use to format the query results in mongo shell?

1. pretty()

2. format()

3. print()

What command will you use to list all available databases?

1. show dbs

2. show databases

3. show db

4. show alldb

What command will you use to display the database you are using?

1. db

2. show db

3. show all

4. show databases

What is default port for MongoDB server?

1. 12701

2. 27017

3. 27071

4. 3306

The mongo shell is an interactive ______interface to MongoDB. You can use the mongo shell to query and update data as well as perform administrative operations.

What is missing?

1. Javascript

2. NodeJS

3. C++