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

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

db.collection.findOne()

show structure

db.collection.getSchema()

db.collection.displaySchema()

2 / 20

What does the command db.dropDatabase() do?

Deletes the currently selected database

Renames the current database

Creates a backup of the current database

Deletes all documents from a collection

3 / 20

Which command lists all indexes of a collection?

show indexes

db.collection.getIndexes()

db.collection.listAll()

db.collection.showIndexes()

4 / 20

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

Updates all documents

Creates a collection

Deletes a collection

Retrieves documents from a collection

5 / 20

Which command is used to display the current database name?

db.name()

current_db()

show db

6 / 20

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

db.userList()

db.getUsers()

db.getRoles()

show users

7 / 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()

8 / 20

Which command drops a specific collection from a database?

db.collection.drop()

drop

db.dropCollection()

db.deleteCollection()

9 / 20

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

db.collection.createIndex({ : 1 })

createIndex()

indexField()

addIndex()

10 / 20

What is the function of the db.version() command?

Shows database logs

Returns the version of the current collection

Lists previous queries executed

Displays the version of MongoDB

11 / 20

What will happen if you try to insert a document without specifying the _id field?

It will use the value of the first field as _id

MongoDB will automatically generate a unique _id value

The collection will throw an error

The document will not be inserted

12 / 20

Which command shows all collections in the current database?

get collections

db.listCollections()

show collections

display tables

13 / 20

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

True

False

14 / 20

The Mongo shell allows you to update documents using the $edit operator. True or False?

True

False

15 / 20

Which command enables verbose logging for a query?

set logging level high

db.enableVerbose()

db.log(2)

db.setLogLevel(2)

16 / 20

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

True

False

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 see the role assignments for a particular user in MongoDB?

db.getUser("")

db.getRoles()

db.userRoles("")

show roles

19 / 20

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

True

False

20 / 20

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

db.collection.modify()

db.collection.updateOne()

db.collection.setOne()

update

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!