Db.relationship sqlalchemy flask

class Person(db.Model):
    id = db.Column(db.Integer, primary_key=True)
    name = db.Column(db.String(50), nullable=False)
    addresses = db.relationship('Address', backref='person', lazy=True)

class Address(db.Model):
    id = db.Column(db.Integer, primary_key=True)
    email = db.Column(db.String(120), nullable=False)
    person_id = db.Column(db.Integer, db.ForeignKey('person.id'),
        nullable=False)

Source: flask-sqlalchemy.palletsprojects.com

Similar codes

0 vote258 views1 answer
Access mysql database docker container shell
SQL
17 votes254 views4 answers
Set mysql Password
SQL
0 vote234 views1 answer
Split a string with expression and get the last value of split sql
SQL
3 votes264 views3 answers
Cannot truncate a table referenced in a foreign key constraint
SQL
0 vote256 views1 answer
Install ms sql server management studio
SQL
4 votes276 views4 answers
Pl sql output
SQL
0 vote299 views1 answer
How to get button for every record from mysql
SQL
1 vote264 views2 answers
Mysql extract month
SQL
9 votes253 views1 answer
Identity insert on sql server
SQL
1 vote278 views1 answer
Age postgres
SQL