MongoDB Mastering MongoDB for Beginners (Theory and Projects) - Solution (Update Operators) - `10

The video tutorial explains how to add tags to documents using two methods: the push operator and the add to set operator. The push operator adds specified tags to all documents, while the add to set operator prevents duplicate tags. The tutorial demonstrates both methods and concludes that either approach is valid for adding tags to documents.

Describe the process of using the updateMany method to add tags to all documents.

What is the significance of specifying the field when using the push operator?