CODE EXAMPLE FOR PYTHON

python flask many to many relation db

from sqlalchemy.orm import relationship, backref

class Order(BaseModel):
    __tablename__ = 'orders'
    id = db.Column(db.Integer, primary_key=True)
    user_id = db.Column(db.Integer, db.ForeignKey('users.id'))
    product_id = db.Column(db.Integer, db.ForeignKey('products.id'))