To practice using following commands simply create a database with <name of your choice> in MongoDB and add collections named authors , books, users.

• Using MongoDB connection string , connect your database from VS Code using MongoDB extension.
• Now you will find the database and collections which you named in VS Code side panel with MongoDB icon.
• Right Click on each collection name and choose insert document.
• Change db.getCollection('authors').insertOne to db.getCollection('authors').insertMany.
• Get all data from source.
• To get data press Raw and copy the contents.
• Insert data.json into users collection.
• Copy and paste the json object within the function and then run using 🔺 on top.
• All the documents will now be added to your DB.
• Now within your database open users , now go to Aggregation and select Text.
• Start writing your commands till exercise 5 one by one according to the question.
• Exercise 6 or lookup is to be used in books -> Aggregation -> Text .