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MongoDB Mastering MongoDB for Beginners (Theory and Projects) - Solution (Delete Operation) - `2

MongoDB Mastering MongoDB for Beginners (Theory and Projects) - Solution (Delete Operation) - `2

Assessment

Interactive Video

Information Technology (IT), Architecture

University

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

The video tutorial explains how to manipulate data in MongoDB using the shell. It covers how to delete documents based on specific conditions, such as when the quantity is 10, and how to remove all documents from a collection. The tutorial provides step-by-step instructions and demonstrates the use of MongoDB commands like 'find' and 'remove'.

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5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in working with data in the MongoDB shell?

Create a new database

Transfer data into the MongoDB shell

Update document fields

Delete all documents

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which command is used to find all documents in a collection?

DB.collection.get()

DB.findAll()

DB.getAll()

DB.collection.find()

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How can you delete documents where the quantity is 10?

Use DB.collection.remove() with a condition

Use DB.collection.delete() without a condition

Use DB.collection.drop()

Use DB.collection.update()

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens if you use the remove command without any conditions?

It creates new documents

It updates all documents

It deletes all documents

It finds all documents

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

After removing documents with a specific condition, what should you do to ensure all documents are deleted?

Use a create query

Use an update query

Use a remove query without conditions

Use a find query

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