MongoDB Mastering MongoDB for Beginners (Theory and Projects) - Get databases

The video tutorial demonstrates how to establish a connection between Node.js and MongoDB, write an asynchronous function to list databases, and iterate over the databases to print their names. The process involves creating a client, using the admin interface to get the list of databases, and logging each database name to the console. The tutorial also explains the significance of internal databases and how to focus on the relevant ones.

What is the first step in setting up a connection between Node.js and MongoDB?

• Deleting existing databases

• Establishing a connection

• Listing all collections

• Creating a new database

What is the purpose of the async function in the context of listing databases?

• To delete databases

• To update database records

• To create a new database

• To list databases asynchronously

Which method is used to iterate over the list of databases?

• map

• forEach

• reduce

• filter

What is the role of the client in the list databases function?

• To delete records

• To connect to the database

• To store data

• To update collections

What are the internal databases mentioned in the final section?

• System databases

• User databases

• Internal MongoDB databases

• Temporary databases