MongoDB Mastering MongoDB for Beginners (Theory and Projects) - Basic Database commands (Part 2)

This video tutorial covers the basics of managing databases in MongoDB. It explains how to create, switch, and list databases, as well as how to handle connection issues. The tutorial also discusses the importance of inserting data into databases for visibility and provides a step-by-step guide on safely dropping databases.

What is a common issue faced by newcomers when connecting to a database?

• Missing database driver

• Incorrect database name

• Socket exception and connection error

• Incorrect username or password

What should you do if you encounter a connection error while using MongoDB?

• Reinstall MongoDB

• Restart your computer

• Check your internet connection

• Use Task Manager to restart services

Why might a newly created database not appear in the list of databases?

• The database is not indexed

• The database is corrupted

• The database is empty

• The database name is too long

What must be done to make a database visible in MongoDB?

• Create a backup of the database

• Add a collection or document to the database

• Rename the database

• Restart the MongoDB server

What is the first step before dropping a database in MongoDB?

• Export the database

• Verify the current database

• Create a new database

• Delete all collections

What command is used to drop a database in MongoDB?

• DB.dropDatabase()

• DB.clearDatabase()

• DB.deleteDatabase()

• DB.removeDatabase()

What indicates that a database has been successfully dropped in MongoDB?

• A prompt to confirm deletion

• A status OK and response as one

• A message saying 'Database not found'

• An error message