django models relationship

1. One-to-many/many-to-one

class Entry(models.Model):
    name=models.CharField(max_length=50)
    def __str__(self):
        return self.name

class Blog(models.Model):
    name=models.CharField(max_length=20)
    entry=models.ForeignKey("Entry") #many-to-one keyword
    def __str__(self):
        return self.name

　　

2.manytomany

3.onetoone