inheritance_flask_sqlalchemy.py

class Animal(db.Model):
    __abstract__ = True
    id = db.Column(db.Integer, primary_key=True)
    name = db.Column(db.String(100))

class Cat(Animal):
    __tablename__ = "cat"
    meo = db.Column(db.String(10))

class Dog(Animal):
    __tablename__ = "dog"
    cho = db.Column(db.String(10))