Declaring Models in Flask
The Flask community provides the “Flask-SQL Alchemy” library/extension which is the go-to library for declaring models in Flask. It is a wrapper around the “SQL Alchemy” library with added capabilities to handle the details related to responses and requests so that you don’t have to worry about that. Before proceeding any further, we need to have the following installations –
Installations required
Flask doesn’t support ORM, but with the help of flask-sqlalchemy, we can achieve the ORM functionalities. Once Python is installed, we can use a package manager such as pip to install the rest with this command:
pip install flask-sqlalchemy
Declaring Models in Flask
Models are used in Flask to conveniently handle interactions with databases (like SQL, SQLite, etc.) using ORM (Object Relational Mapping). This article describes what is ORM, how to declare models in Flask, and finally a simple example Flask application. It assumes basic familiarity with Flask and Python programming languages.
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