The video tutorial discusses updating a quiz database, focusing on writing queries to update specific fields like SKU and quantity. It highlights the challenges of updating single elements using regular methods and previews future modules that will cover set operators for more efficient updates.

What is the first step mentioned for updating the quantity in the database?

Explain the process of updating the quantity for a specific SKU in the database.

How does the speaker suggest handling the update of a document when only one field needs to be changed?

What challenges are mentioned regarding updating a single element in a document?

What will be covered in later modules regarding update operations?