The video tutorial explains how to use array operators in MongoDB to add and update elements within arrays. It covers the use of the push operator to append data, demonstrates conditional updates, and emphasizes the importance of ensuring the field is an array to avoid exceptions. The tutorial also provides best practices for working with array operators.

What is the purpose of the push operator in MongoDB?

How do you append data to an array field in a MongoDB document?

Describe the process of updating multiple documents in MongoDB using the updateMany method.

What should you ensure when using array operators in MongoDB?

What happens if you try to use array operators on non-array fields?