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You're reading from  Building Data Science Applications with FastAPI - Second Edition

Product typeBook
Published inJul 2023
Reading LevelIntermediate
PublisherPackt
ISBN-139781837632749
Edition2nd Edition
Languages
Python
Tools
FastAPI
Concepts
Data Science
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Author (1)
François Voron
François Voron
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François Voron

François Voron graduated from the University of Saint-Étienne (France) and the University of Alicante (Spain) with a master's degree in machine learning and data mining. A full stack web developer and a data scientist, François has a proven track record working in the SaaS industry, with a special focus on Python backends and REST APIs. He is also the creator and maintainer of FastAPI Users, the #1 authentication library for FastAPI, and is one of the top experts in the FastAPI community.
Read more about François Voron

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Communicating with a SQL database with SQLAlchemy ORM

To begin, we’ll discuss how to work with a relational database using the SQLAlchemy library. SQLAlchemy has been around for years and is the most popular library in Python when you wish to work with SQL databases. Since version 1.4, it also natively supports async.

The key thing to understand about this library is that it’s composed of two parts:

  • SQLAlchemy Core, which provides all the fundamental features to read and write data to SQL databases
  • SQLAlchemy ORM, which provides a powerful abstraction over SQL concepts

While you can choose to only use SQLAlchemy Core, it’s generally more convenient to use ORM. The goal of ORM is to abstract away the SQL concepts of tables and columns so that you only have to deal with Python objects. The role of ORM is to map those objects to the tables and columns they belong to and generate the corresponding SQL queries automatically.

The first step is...

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Building Data Science Applications with FastAPI - Second Edition
Published in: Jul 2023Publisher: PacktISBN-13: 9781837632749
© 2023 Packt Publishing Limited All Rights Reserved

Author (1)

author image
François Voron

François Voron graduated from the University of Saint-Étienne (France) and the University of Alicante (Spain) with a master's degree in machine learning and data mining. A full stack web developer and a data scientist, François has a proven track record working in the SaaS industry, with a special focus on Python backends and REST APIs. He is also the creator and maintainer of FastAPI Users, the #1 authentication library for FastAPI, and is one of the top experts in the FastAPI community.
Read more about François Voron

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