REST APIs with Flask and Python - Retrieving Your Item Resources from a Database

This video tutorial guides viewers through the process of integrating a database into a Flask application. It covers the steps to import necessary modules, create and populate tables, and retrieve items from the database using SQL queries. The tutorial also demonstrates testing the setup using Postman to ensure data retrieval works correctly. The video concludes with a brief recap and a look forward to inserting items into the database in the next session.

What should be returned if the row does not exist in the database?

What should be done to ensure that there is data in the database before retrieval?

What is the purpose of the 'commit' operation in database interactions?