MongoDB Mastering MongoDB for Beginners (Theory and Projects) - Solution($expr)

This video tutorial demonstrates how to create a collection in MongoDB and perform various queries using the expr operator. It covers querying documents where budget equals spent, budget is less than spent, and spent is greater than budget. Additionally, it explains how to use the AND operator to find documents where the category is either food or drinks and the budget is less than the spent amount.

What conditions must be met to retrieve documents where the category is either food or drinks and the budget is less than the spent?

Describe the process to use the AND operator in a MongoDB query.

What is the significance of using the in operator when querying categories?