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

-1 vote316 views2 answers
Sql query examples
SQL
8 votes362 views1 answer
Oracle create datafile
SQL
0 vote377 views1 answer
Mod in sql
SQL
0 vote349 views1 answer
Sql_inner_join
SQL
1 vote376 views1 answer
Mysql datetime with timezone offset
SQL
0 vote345 views1 answer
Lesser than or equal to symbol in postgres
SQL
7 votes339 views1 answer
Forge server hosting
SQL
0 vote377 views1 answer
Sql missing values
SQL
0 vote413 views1 answer
Postgres - Login and connect as default user
SQL
1 vote343 views1 answer
How to truncate a table in databse
SQL