MongoDB Mastering MongoDB for Beginners (Theory and Projects) - $set operator - `2

The video tutorial explains how to update data in a database using the set operator. It covers updating specific values, working with arrays, and advanced techniques for modifying array elements. The tutorial demonstrates how to change values without conditions and how to target specific elements within arrays for updates.

What changes were made to the 'by' field in the ratings array?

What is the new rating value after the update?