MongoDB Mastering MongoDB for Beginners (Theory and Projects) - $rename operator

The video tutorial explains the use of the rename operator in NoSQL databases to update field names. It covers correcting typos in field names, renaming nested fields, and the behavior when attempting to rename non-existent fields. The tutorial highlights the flexibility of NoSQL databases, where schemas are not predefined, allowing for corrections and updates to data as needed.

What new insight or understanding did you gain from this video?