SQLAlchemy ORM - Interact with relational databases easily

Published: 10 April 2023
on channel: Demos Petsas

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In this video we will update our restful API and start using the SQLAlchemy ORM by introducing flask-sqlalchemy. flask-sqlalchemy is a Flask extension that uses the SQLAlchemy ORM and helps us work with our database. We will fetch all of our users from our database, fetch a single user, update a user, create a user as well as delete a user.

Chapters:
0:00 Intro
1:40 Install flask-sqlalchemy
2:00 Create extensions file - Use SQLAlchemy
2:58 Add SQLAlchemy extension to app
3:19 Add connection string
5:12 Create database
6:57 Create models
10:48 Create users table
13:30 Populate database
17:00 Read all users from the database
20:22 Create a user in the database
23:31 Find user or return 404 response
25:09 Find and update a user in the database
27:50 Delete a user from the database

Code:
https://github.com/demoskp/flask-sqla...

Personal website:
http://www.petsas.consulting

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