REST APIs with Flask and Python - Creating a New Model: StoreModel

The video tutorial explains how to enhance an API by adding a store model. It covers creating a store model, understanding foreign keys, and using SQLAlchemy to manage relationships between models. The tutorial also discusses lazy loading to optimize performance and integrating store IDs into resources.

What is the primary purpose of adding stores to the API?

• To enhance the API's functionality

• To reduce the database size

• To increase the number of API endpoints

• To simplify the code structure

What is a key difference in the store model compared to the item model?

• The store model includes a price column

• The store model has a unique identifier

• The store model uses a different table name and JSON method

• The store model is not linked to any database

Why is a foreign key important in database models?

• It reduces the need for primary keys

• It simplifies the database schema

• It allows for faster data retrieval

• It links tables and enforces referential integrity

What happens if you try to delete a store with existing foreign key references?

• The store is archived instead of deleted

• The deletion is blocked until references are removed

• The database automatically removes all related items

• The store is deleted without any issues

How does SQLAlchemy handle relationships between models?

• By creating separate tables for each relationship

• Through manual SQL joins

• By using primary keys only

• By defining relationships and back references

What is the effect of using 'lazy' loading in SQLAlchemy?

• It automatically loads all related objects

• It delays loading related objects until accessed

• It prevents any related objects from being loaded

• It speeds up data retrieval

What is a back reference in SQLAlchemy?

• A method to reverse a transaction

• A way to link two unrelated tables

• A reference that allows a parent to access its children

• A feature to duplicate database entries

Why is it important to include a store ID when creating an item model?

• To increase the item's price

• To reduce the number of database queries

• To make the item model independent

• To ensure the item is linked to a store

What should be done when adding a store ID to the item model?

• Use it as the primary key for the item

• Ensure it matches the store's primary key type

• Assign it a random value

• Ignore the store ID in the database

What is the benefit of simplifying data parsing in resources?

• It reduces the need for error handling

• It makes the code more readable and maintainable

• It increases the complexity of the code

• It eliminates the need for store IDs