Python

from django.db import models

class Area(models.Model):
    areaname = models.CharField(max_length=20)
    def __str__(self):
        return self.areanme
    class Meta:
        ordering = ['areaname']
    class Admin:
        pass

class Dept(models.Model):
    deptname = models.CharField(max_length=20)
    def __str__(self):
        return self.deptname
    class Meta:
        ordering = ['deptname']
    class Admin:
        pass

class Employee(models.Model):
    employee_area = models.ForeignKey(Area)
    employee_dept = models.ForeignKey(Dept)
    name = models.CharField(max_length=20)
    en_name = models.CharField(max_length=40)
    tel = models.CharField(max_length=20)
    cell_phone = models.CharField(max_length=20)
    email = models.CharField(max_length=40)
    def __str__(self):
        return self.name
    class Meta:
        ordering = ['employee_area', 'employee_dept', 'name']
    class Admin:
        pass