Python Flask Tutorial: One-to-One Relationship between Tables with SQLAlchemy | HINDI

In this Python Flask tutorial, we dive into one of the fundamental aspects of database design: establishing a one-to-one relationship between tables using SQLAlchemy. SQLAlchemy is a powerful Object-Relational Mapping (ORM) library that seamlessly integrates with Flask, making it easier to work with databases.

Throughout this tutorial, we explore the concept of a one-to-one relationship and its significance in database modeling. We start by setting up a Flask application and configuring SQLAlchemy to connect to a SQLite database.

Next, we delve into creating two related tables: 'User' and 'Profile'. We demonstrate how to define the necessary columns and establish a one-to-one relationship between them using SQLAlchemy's relationship and foreign key capabilities.

You'll learn how to perform common operations, such as querying a user and their associated profile, as well as adding a new user with a profile to the database. Additionally, we cover error handling and potential pitfalls when working with one-to-one relationships.

By the end of this tutorial, you'll have a solid understanding of how to implement a one-to-one relationship between tables using Python Flask and SQLAlchemy. This knowledge will enable you to effectively design and manage complex databases in your Flask applications.

Python Flask Tutorial: One-to-One Relationship between Tables with SQLAlchemy | HINDI

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[_Hemant_singh_]

Thanks for these videos...
12:30 what shortcut did u use here for multiple cursor ?