MongoDB Mastering MongoDB for Beginners (Theory and Projects) - Basic Database commands

This video tutorial introduces basic MongoDB operations, focusing on setting up the environment, using the MongoDB shell, and managing databases. It covers troubleshooting connection issues and provides a step-by-step guide on creating and switching databases using MongoDB commands.

What is the first step in setting up a storage system for any application?

• Establishing a network

• Designing a user interface

• Creating tables

• Creating a database

What should you do first after opening the terminal to work with MongoDB?

• Open the Mongo shell

• Run commands directly

• Restart the computer

• Check for updates

What might cause an error when trying to connect to MongoDB?

• Outdated software

• Improper closure of MongoDB

• Network issues

• Incorrect password

Which command is used to list all databases in MongoDB?

• getDBs

• showDBS

• findDBs

• listDBs

What does the 'use' command do if the specified database does not exist?

• Creates and switches to the database

• Deletes the database

• Only switches to the database

• Lists all databases

How can you check which database you are currently using in MongoDB?

• Enter 'currentDB'

• Enter 'showDB'

• Enter 'listDB'

• Enter 'DB'

What happens when you use the 'use' command on an existing database?

• It lists all collections

• It switches to the existing database

• It deletes the database

• It creates a new database