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from django.db import models
class Classification(models.Model):
code = models.CharField(max_length=10)
class Employee(models.Model):
name = models.CharField(max_length=40, blank=False, null=False)
salary = models.PositiveIntegerField()
department = models.CharField(max_length=40, blank=False, null=False)
hire_date = models.DateField(blank=False, null=False)
age = models.IntegerField(blank=False, null=False)
classification = models.ForeignKey('Classification', on_delete=models.CASCADE, null=True)
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