Django Models and Fields Quiz
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Questions and Answers

How are model fields specified in Django?

  • As function parameters
  • As dictionary keys
  • As global variables
  • As class attributes (correct)

    • What is a model in Django?

  • A template for generating HTML output
  • A controller for managing data flow
  • A view for representing data visually
  • The single, definitive source of information about your data (correct)

    • What should you do after adding new apps to INSTALLED_APPS in Django?

  • Run manage.py createsuperuser
  • Run manage.py migrate (correct)
  • Run manage.py startapp
  • Run manage.py collectstatic

    • Where should you define your models in Django?

    <p>In the module myapp.models</p> Signup and view all the answers

    How do you inform Django that you're going to use the defined models?

    <p>By editing the settings file and changing the INSTALLED_APPS setting</p> Signup and view all the answers

    Study Notes

    Model Fields in Django

    • Model fields are specified as class attributes within a Django model. Each field represents a database column.
    • Common field types include CharField for strings, IntegerField for integers, DateField for dates, and more.
    • Additional parameters such as max_length, null, and blank can be set to customize field behavior.

    Definition of a Model in Django

    • A model in Django is a Python class that defines the structure of a database table.
    • Each attribute of the class corresponds to a column in the table, while instances of the class represent rows.
    • Models allow for easy data manipulation using Django's ORM (Object-Relational Mapping).

    Adding New Apps to INSTALLED_APPS

    • After adding new applications to the INSTALLED_APPS list in Django settings, run the migrate command.
    • This command applies any migrations related to the new apps, creating necessary database tables and relationships.

    Where to Define Models in Django

    • Models should be defined in a file named models.py within each Django application directory.
    • This organization helps maintain clarity and keeps model definitions modular and accessible.

    Informing Django About Defined Models

    • To inform Django about the defined models, ensure that the app containing the models is included in the INSTALLED_APPS setting.
    • Use python manage.py makemigrations to create migration files after model definitions, followed by python manage.py migrate to apply those migrations to the database.

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    Description

    Quiz: Django Models and Fields Test your knowledge of Django models and fields with this quiz. Explore the basics of defining fields, attributes, and database mapping in Django models.

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