from flask_sqlalchemy import SQLAlchemy db = SQLAlchemy() class Faculty(db.Model): id = db.Column(db.Integer, primary_key=True) name = db.Column(db.String(100), nullable=False) university_id = db.Column(db.Integer, nullable=False) def to_dict(self): return { "id": self.id, "name": self.name, "university_id": self.university_id } class FacultyUniversity(db.Model): faculty_id = db.Column(db.Integer, db.ForeignKey('faculty.id'), primary_key=True) university_id = db.Column(db.Integer, db.ForeignKey('university.id'), primary_key=True)