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Basic types and relationship in SQLAlchemy

from database import db, Base
from marshmallow import Schema, fields
from datetime import datetime as date

class Employee(db.Model):
    __tablename__ = "employee"
    
    id = db.Column(db.Integer, primary_key=True, autoincrement=True, mssql_identity_start=100000)
    employee_uid = db.Column(db.Integer, unique=True)
    employee_email = db.Column(db.String, nullable=False)
    employee_name = db.Column(db.String(200), nullable=True)
    created_on = db.Column(db.DateTime, default=date.now())


class EmployeeAddress(db.Model):
    __tablename__ = "employee_address"

    id = db.Column(db.Integer, primary_key=True, autoincrement=True, mssql_identity_start=100000)
    employee_id = db.Column(db.Integer, db.ForeignKey('employee.id'), nullable=False)
    employee = db.relationship('Employee')
    employee_address = db.Column(db.Text, nullable=False)
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Output
Create integer, string type column, and relationship in SQLAlchemy
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