django model reference type code example

Example 1: primary key django model

class Garden(models.Model):
    garden_id = models.IntegerField(primary_key=True)

Example 2: model object means in django

CREATE TABLE myapp_person (
    "id" serial NOT NULL PRIMARY KEY,
    "first_name" varchar(30) NOT NULL,
    "last_name" varchar(30) NOT NULL
);