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

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'.

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

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

• DB.collection.get()

• DB.findAll()

• DB.getAll()

• DB.collection.find()

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()

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

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