Using Flask-SQLAlchemy Validations

Flask, the lightweight web framework for Python, empowers developers to create dynamic and feature-rich web applications. When it comes to managing data and ensuring its integrity, Flask-SQLAlchemy plays a pivotal role. In this tutorial, we'll explore how to implement validations using Flask-SQLAlchemy, safeguarding your web application against incorrect or malicious data.

Prerequisites

Before diving into validations, make sure you have Flask and Flask-SQLAlchemy installed. You can install them using:

bash

pip install Flask Flask-SQLAlchemy

Additionally, set up a basic Flask …

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