REST APIs with Flask and Python - Retrieving Many Items from the Database

The video tutorial covers making final changes to an API, focusing on retrieving item lists from a database and returning them in JSON format. It explains iterating over database results, appending data to a list, and testing endpoints using Postman. The tutorial also highlights the importance of understanding CRUD operations and introduces the next section on Flask SQLAlchemy for easier database management.

What is the purpose of the 'get' method in the API?

Explain the significance of returning data in JSON format.

What steps are involved in executing a query to retrieve items from the database?

Describe the process of appending a dictionary representing a row in the items list.

What happens when you try to create an item that already exists in the database?

How do you verify that an item has been deleted from the database?

What are the main components of a CRUD API as discussed in the video?