Requêtes DELETE

DELETE selon un ID :

user = User.query.get(5)
db.session.delete(user)
db.session.commit()

DELETE plusieurs lignes selon un critère :

users = User.query.filter_by(active = True).all()
for user in users:
    db.session.delete(user)
db.session.commit()

DELETE toutes les lignes :

User.query.delete()
db.session.commit()