Updating Documents

This video tutorial explores updating documents in MongoDB using promises instead of callbacks. It covers the use of updateOne and updateMany methods, focusing on targeting documents by ID and applying updates with operators like $set and $inc. The tutorial includes a practical challenge to update multiple documents using updateMany, emphasizing the importance of promises in handling asynchronous operations.

What methods can be used to update documents in MongoDB?

How do you handle promises when using update operations in MongoDB?

What is the purpose of the $set operator in MongoDB?

What happens if you do not provide a field when using the $set operator?

How can you check the result of an update operation in MongoDB?

What is the significance of the modified count in the result of an update operation?

Describe how to increment a field value in a MongoDB document.

Explain the difference between updateOne and updateMany methods.

How do you ensure that your updateMany operation affects all relevant documents?

What steps are involved in using the updateMany method?