MongoDB Basic Shell Commands: Beginner-Level Quiz

MongoDB Basic Shell Commands Quiz

This quiz assesses your understanding of fundamental MongoDB shell commands essential for interacting with MongoDB databases. It covers switching databases, inserting and retrieving documents, managing collections, and performing basic administrative tasks using the Mongo shell. Mastery of these commands is crucial for efficient database management and development workflows. Good luck!

1 / 20

The Mongo shell db refers to the currently selected database. True or False?

True

False

2 / 20

Which command is used to create an index on a field?

db.collection.createIndex({ : 1 })

createIndex()

indexField()

addIndex()

3 / 20

Which command shows all collections in the current database?

get collections

db.listCollections()

show collections

display tables

4 / 20

The db.collection.insertMany() command can be used to insert multiple documents at once. True or False?

True

False

5 / 20

Which operator is used in the Mongo shell to delete a single document from a collection?

db.collection.dropDocument()

db.collection.deleteOne()

delete

db.collection.remove()

6 / 20

Which command enables verbose logging for a query?

set logging level high

db.enableVerbose()

db.log(2)

db.setLogLevel(2)

7 / 20

What is the function of db.collection.find()?

Updates all documents

Creates a collection

Deletes a collection

Retrieves documents from a collection

8 / 20

What does the command it do in the Mongo shell?

Terminates the Mongo shell session

Creates a new index

Retrieves the next batch of results from the cursor

Iterates over all databases

9 / 20

Which command shows the structure of a document in a collection?

db.collection.findOne()

show structure

db.collection.getSchema()

db.collection.displaySchema()

10 / 20

Which command is used to display the current database name?

db.name()

current_db()

show db

11 / 20

How do you rename an existing collection in the Mongo shell?

db.collection.renameCollection("newName")

rename

db.renameCollection()

db.collection.changeName()

12 / 20

The exit command closes the Mongo shell. True or False?

True

False

13 / 20

What will the command db.stats() display?

User roles

Query history

Network configuration

Statistics about the current database

14 / 20

Which command drops a specific collection from a database?

db.collection.drop()

drop

db.dropCollection()

db.deleteCollection()

15 / 20

Which command is used to display all the databases in the Mongo shell?

db.getDbs()

list databases

show collections

show dbs

16 / 20

Which command counts the number of documents in a collection?

db.count()

db.collection.getCount()

db.collection.countDocuments()

db.collection.total()

17 / 20

What is the default command to switch to a specific database in the Mongo shell?

db.switch()

use_database()

select

use

18 / 20

How do you update a single document in a MongoDB collection?

db.collection.modify()

db.collection.updateOne()

db.collection.setOne()

update

19 / 20

In MongoDB, you can use JavaScript syntax to create and execute queries in the shell. True or False?

True

False

20 / 20

Which command lists all active users and their roles in the database?

db.userList()

db.getUsers()

db.getRoles()

show users

Your score is

The average score is 0%

MongoDB Basic Shell Commands covers fundamental commands and operations used to interact with a MongoDB database through the MongoDB shell.

It includes commands for performing CRUD (Create, Read, Update, Delete) operations, managing collections, and querying data.

This quiz is essential for users who must test their ability to perform basic database tasks and navigate MongoDB’s shell environment.

All the best!