How do I set up SQLAlchemy in my Flask app?

How do I set up SQLAlchemy in my Flask app?

To set up SQLAlchemy in your Flask app, first install Flask-SQLAlchemy using pip. You can do this by running pip install Flask-SQLAlchemy.

What are the basic configurations I need to do?

You need to configure your app with a database URI. For example: app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///site.db'.

How do I create a model for my database?

You can create a model by defining a class that inherits from db.Model. For example:

class User(db.Model):
    id = db.Column(db.Integer, primary_key=True)
    username = db.Column(db.String(150), nullable=False)

How do I create the database tables?

You can create the database tables by running db.create_all() after initializing your app and database.