Day 67 of 100 Days Of Code - Django Models and ORM

Today's lesson in the Django series focuses on integrating real database operations into our web application, specifically through models and migrations. Here’s a summary of what was covered:

Key Concepts Covered

1. Models:

   • Models define the structure of data stored in the database.
   • Example model: Post with fields like title, content, and created_at.

2. Migrations:

   • Migrations are used to apply changes made to models to the actual database schema.
   • Running makemigrations generates migration files, and migrate applies them.

3. ORM (Object-Relational Mapping):

   • Django's ORM allows you to interact with the database using Python code rather than SQL.
   • Example: Post.objects.filter(is_published=True).order_by('-created_at').

4. Admin Panel:

   • The admin panel provides a user interface for managing data in your models without writing any additional views or templates.

5. Views and Templates:

   • Views fetch real data from the database using ORM queries.
   • Templates render this data into HTML, allowing dynamic content generation based on actual database entries.

Example Code

Models

Read the full article at DEV Community

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