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MongoDB Mastering MongoDB for Beginners (Theory and Projects) - Solution (Delete Operation) - `1

MongoDB Mastering MongoDB for Beginners (Theory and Projects) - Solution (Delete Operation) - `1

Assessment

Interactive Video

Information Technology (IT), Architecture

University

Practice Problem

Hard

Created by

Wayground Content

Used 1+ times

FREE Resource

The video tutorial covers basic CRUD operations in MongoDB, focusing on deleting documents based on specific criteria. It starts with an introduction to the quiz solution, followed by detailed steps to remove documents with 9 marks in French and those with the name John. The tutorial also explains how to clear an entire collection. The session concludes with a summary of the operations and a preview of more advanced topics to be covered in future modules.

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5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary task in the first section of the video?

Adding new documents to the collection

Updating documents with new marks

Deleting documents with 9 marks in French

Renaming the collection

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which MongoDB function is used to remove documents?

db.createquiz.insert()

db.createquiz.update()

db.createquiz.find()

db.createquiz.remove()

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the second section, which attribute is used to identify documents for deletion?

Student's grade

Student's ID

Student's age

Student's name

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the result of running the remove query for documents with the name 'John'?

Documents with the name 'John' are deleted

All documents are duplicated

No documents are affected

All documents are updated

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does providing an empty object to the remove function do?

Updates all documents

Adds a new document

Removes all documents in the collection

Removes a single document

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