Web Development with Node.JS and MongoDB (Video 19)

This video tutorial covers CRUD operations in MongoDB using the Mongo Shell. It explains how to set up example data, perform queries using the find method, and use query selectors and projection operators. The tutorial also demonstrates how to insert, update, and remove documents. It concludes with a summary and a preview of executing CRUD operations from Node.js.

What does CRUD stand for in the context of MongoDB operations?

• Create, Read, Update, Delete

• Create, Remove, Update, Display

• Connect, Retrieve, Update, Delete

• Connect, Read, Upload, Delete

Which command is used to switch databases in Mongo Shell?

• select

• change

• use

• switch

What symbol do MongoDB operators typically start with?

• @

• &

• $

• #

Which method is used to add a new document to a collection in MongoDB?

• add

• insert

• append

• create

How can you update a specific field in a MongoDB document?

• Using the $change operator

• Using the $modify operator

• Using the $set operator

• Using the $update operator

What method would you use to remove all documents from a collection?

• deleteAll

• clear

• remove

• removeAll

Which method is used to retrieve a single document from a collection?

• fetchOne

• findOne

• getOne

• retrieveOne